| Patents for H01H 13 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch (26,806) |
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| 10/10/1978 | US4119822 Small current switch |
| 10/10/1978 | US4119821 Normally closed switch |
| 10/10/1978 | US4119816 Cross connect panel having slide switches and bus bar construction |
| 10/10/1978 | US4118858 Method of making an electronic calculator |
| 10/10/1978 | CA1040242A1 Two-stage snap action push button switch |
| 10/03/1978 | US4118614 Multiple-function, hand-actuated switch unit, particularly for electrical hand tools or appliances and the like |
| 10/03/1978 | US4118611 Buckling spring torsional snap actuator |
| 10/03/1978 | US4118609 Electrical snap-action switch |
| 10/03/1978 | US4118102 Isolated path coupling system |
| 10/03/1978 | US4117743 Device for retaining two alternate positions |
| 09/26/1978 | US4117292 Dual spring actuator for keyboard switch assembly |
| 09/26/1978 | US4117286 Electric switch |
| 09/26/1978 | US4117285 Snap action circuit breaker |
| 09/26/1978 | US4117279 Modular pushbutton keyset assembly |
| 09/19/1978 | US4115671 Control system for an automatic transmission including switch with lost motion actuator |
| 09/19/1978 | CA1038841A1 Light emitting diode indicator assembly for a multiple pushbutton array |
| 09/19/1978 | CA1038772A1 Keyboard assembly |
| 09/12/1978 | CA1038429A1 Push-button switch with locking and position indicating means |
| 09/05/1978 | US4112284 Fall-through return spring arrangement for a push-button switch mechanism |
| 09/05/1978 | US4112278 Push button switch |
| 09/05/1978 | US4112277 Push-button switch units |
| 09/05/1978 | US4111474 Electrically operated door lock |
| 09/05/1978 | CA1037875A1 Elastomeric keyboard switch and its method of manufacture |
| 08/29/1978 | CA1037627A1 Pushbutton dials |
| 08/29/1978 | CA1037533A1 Push-button type binary switch device |
| 08/29/1978 | CA1037530A1 Trigger lock for a motor control switch of a powertool |
| 08/22/1978 | US4109121 Electrical switch construction and method of making the same |
| 08/22/1978 | US4109118 Keyswitch pad |
| 08/15/1978 | CA1036681A1 Multi-stage switching apparatus |
| 08/15/1978 | CA1036649A1 Reciprocally actuated switch assembly with limit stop means |
| 08/01/1978 | US4104728 Electronic apparatus equipped on a flexible substratum |
| 08/01/1978 | US4104727 Liquid crystal display calculator construction |
| 08/01/1978 | US4104702 Keyboard apparatus including elongated bar for aligning level from connectors to motherboard |
| 08/01/1978 | US4104494 Electric switches |
| 07/18/1978 | US4101883 Keyboard |
| 07/11/1978 | US4100384 Pushbutton switch unit with reversible spring |
| 07/04/1978 | US4099037 Key board switch assembly having canti-levered leaf spring contact assembly on common conductive frame |
| 06/27/1978 | US4096935 Input device |
| 06/20/1978 | US4096368 Pushbutton switch |
| 06/20/1978 | US4096364 Keyboard switch assembly having flexible contact layer with snap initiator dome |
| 06/13/1978 | US4095213 Mechanically actuable control relay |
| 06/13/1978 | US4095123 Switch controller |
| 06/13/1978 | US4095089 Sequencing switch assembly |
| 06/13/1978 | US4095070 Miniature pushbutton switch |
| 06/13/1978 | US4095066 Hinged flyplate actuator |
| 06/13/1978 | US4095059 Interlocked push-lock push-button switch assembly having conductive muting spring |
| 05/30/1978 | US4092503 Push button switch or keyboard assembly having flexible wire contacts |
| 05/16/1978 | US4090167 Push switch and potentiometer assembly |
| 05/16/1978 | US4090092 Shielding arrangement for a capacitive touch switch device |
| 05/16/1978 | US4090045 Keyboard strip switch assembly having multifurcated conductive screen contact with contact cleaning wiping-action |
| 05/09/1978 | US4088994 Paralleled output self-encoding keyboard |
| 05/09/1978 | US4088855 Keyboard electro-mechanical switch with coil spring contact |
| 05/02/1978 | US4087771 Electrical switch |
| 04/25/1978 | US4086455 Snap action type of electric switch |
| 04/25/1978 | US4086451 Keyboard apparatus |
| 04/18/1978 | US4085306 Keyboard switch assemblies |
| 04/18/1978 | US4085302 Membrane-type touch panel |
| 04/11/1978 | US4084071 Switch mechanism for a calculator type keyboard |
| 04/11/1978 | US4083100 Method of manufacturing a keyboard assembly |
| 04/04/1978 | US4082928 Electic snap switch, particularly miniature switch |
| 04/04/1978 | US4081898 Method of manufacturing an electronic calculator utilizing a flexible carrier |
| 03/28/1978 | US4081633 Multi-function electrical switch assembly |
| 03/28/1978 | US4081631 Dual purpose, weather resistant data terminal keyboard assembly including audio porting |
| 03/28/1978 | US4081068 Keyboard actuable with the aid of the fingers of at least one hand |
| 03/21/1978 | US4080523 Press-button controlled electric switch |
| 03/14/1978 | US4079220 Snap action switch |
| 03/14/1978 | US4079194 Graphical data entry pad |
| 03/07/1978 | US4078257 Calculator apparatus with electronically alterable key symbols |
| 02/28/1978 | US4077036 Data entry devices |
| 02/21/1978 | US4075702 Electronic calculating apparatus and wallet enclosure |
| 02/21/1978 | US4075621 Hand held communication aid for the dumb |
| 02/14/1978 | US4074144 Switch device |
| 02/14/1978 | US4074089 Multiple push-switch apparatus having flexible element preventing simultaneous actuator depression |
| 02/14/1978 | US4074088 Keyboard apparatus and method of making |
| 02/07/1978 | US4072841 Electrical switches |
| 02/07/1978 | US4072833 Keyboard selector switch assembly for a calculating machine |
| 02/07/1978 | US4072004 Switching construction for a handy electronic device |
| 01/31/1978 | US4071785 Laminated piezoelectric matrix switch |
| 01/31/1978 | US4071726 Electrical switch having actuator light transmissive region, intermediate lens and light source |
| 01/31/1978 | US4071719 Keyboard switch assembly having actuator interlocking keyboard shift and shift lock and release mechanism |
| 01/31/1978 | US4071718 Flat keyboard assembly having cover type membrane with protrusions to align switch components |
| 01/17/1978 | US4068369 Method of making pushbutton keyboard system |
| 01/10/1978 | US4068308 Calculator-like device especially useful as an adjunct to a CB radio |
| 01/10/1978 | US4067102 Curable nonconductive resin |
| 01/03/1978 | US4066860 Pushbutton switch key arrangement for keyboards having indicia |
| 01/03/1978 | US4066855 Vented membrane-type touch panel |
| 01/03/1978 | US4066854 Membrane-type touch panel employing insulating grid anti-short means |
| 01/03/1978 | US4066853 Membrane type touch panel employing piezoresistant anti-short means |
| 01/03/1978 | US4066852 Membrane-type touch panel employing a photo-resist insulating grid anti-short means |
| 01/03/1978 | US4066851 Keyboard switch assembly having foldable printed circuit board, integral spacer and preformed depression-type alignment fold |
| 01/03/1978 | US4066850 Keyboard switch assembly having interchangeable cover plate, indicating layer and actuator switch assembly in any operative combination |
| 12/27/1977 | US4065651 Keyboard switch assembly having flexible rung ladder contacts |
| 12/27/1977 | US4065650 Electronic calculator with switches in solid V- and U-shaped groups |
| 12/27/1977 | US4065649 Pressure sensitive matrix switch having apertured spacer with flexible double sided adhesive intermediate and channels optionally interposed between apertures |
| 12/27/1977 | US4065197 Isolated paths connector |
| 12/20/1977 | US4064381 Pushbutton switch assembly having floating type bridging contact and lost motion actuator |
| 12/13/1977 | US4063056 Bi-directional limit switch |
| 12/13/1977 | US4063054 Key switch |
| 12/06/1977 | US4061895 Higher rated double-pole trigger switch |
| 11/29/1977 | US4060818 Switch operating device operatively associated with a reciprocally movable member |