| 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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| 11/29/1977 | US4060703 Keyboard switch assembly with tactile feedback having illuminated laminated layers including opaque or transparent conductive layer |
| 11/22/1977 | US4059737 Keyboard |
| 11/08/1977 | US4057710 Keyboard assembly |
| 11/01/1977 | US4056701 Low profile lighted push button switch |
| 11/01/1977 | US4056700 Keyboard assembly momentary contact push button switch with tactile action |
| 11/01/1977 | US4056699 Touch plate assembly |
| 10/25/1977 | US4055755 Switching assembly in combination wristwatch and calculator |
| 10/25/1977 | US4055736 Push switch |
| 10/25/1977 | US4055735 Touch sensitive device |
| 10/25/1977 | US4055734 Keyboard switch assembly with hinged pushbuttons and cantilevered terminal members |
| 10/11/1977 | USRE29440 Calculator keyboard switch with disc spring contact and printed circuit board |
| 10/11/1977 | US4053726 Push-button electrical switch |
| 09/27/1977 | US4051337 Dental handpiece switch |
| 09/20/1977 | US4050044 Electrical switch |
| 09/20/1977 | US4048796 Touch sensitive electrodes formed on the frame of an electronic wristwatch |
| 09/06/1977 | US4047241 Capacitive switch |
| 09/06/1977 | US4046982 Switch means for short-stroke push-button keys |
| 09/06/1977 | US4046981 Keyboard switch with printed wiring board structure and its method of manufacture |
| 09/06/1977 | US4046975 Keyboard switch assembly having internal gas passages preformed in spacer member |
| 08/30/1977 | US4045636 Keyboard switch assembly having printed circuit board with plural layer exposed contacts and undersurface jumper connections |
| 08/30/1977 | US4045631 Touch-sensitive door control switch |
| 08/23/1977 | US4044212 Electric switches and process and apparatus for manufacture thereof |
| 08/16/1977 | US4042777 One-handed keyboard and its control means |
| 08/16/1977 | US4042439 Method of making keyboard assemblies |
| 08/16/1977 | US4042090 Key top |
| 08/09/1977 | US4041427 Reed switching opening and closing device |
| 08/09/1977 | US4041295 Electronic timepiece calculator |
| 08/09/1977 | US4041265 Electric switch |
| 08/09/1977 | US4041257 Cross connect panel for lighting systems |
| 08/02/1977 | US4039791 Electric snap switch |
| 08/02/1977 | US4039068 Keyboard of elastic material for office machines |
| 07/12/1977 | US4035596 Electrical switch construction |
| 07/12/1977 | US4035593 Flexible pressure sensitive switch actuator module adaptable to a keyboard surface having fixed contact array |
| 07/05/1977 | US4034327 Timing pulse generating switch |
| 07/05/1977 | US4034177 Plunger-actuated, lost motion switch with tactile feedback |
| 07/05/1977 | US4034176 Membrane switch apparatus |
| 07/05/1977 | US4033030 Method of manufacturing keyswitch assemblies |
| 06/28/1977 | US4032931 Money transfer device keyboard terminal |
| 06/28/1977 | US4032753 Programming apparatus |
| 06/28/1977 | US4032738 Electro-surgical instrument |
| 06/28/1977 | US4032735 Contact unit |
| 06/28/1977 | US4032729 Low profile keyboard switch having panel hinged actuators and cantilevered beam snap acting contacts |
| 06/28/1977 | US4032728 Push button switch |
| 06/28/1977 | US4031849 Push button switch position indicator |
| 06/21/1977 | US4031341 Dual function pusher and rotate switch for solid state digital watches having detent spring |
| 06/14/1977 | US4029924 Contact block interlock for electric switch |
| 06/14/1977 | US4029916 Multi-contact push-button switch and plural embodiment for keyboard switch assembly |
| 06/14/1977 | US4029915 Miniaturized calculator keyboard switch assembly having universally pivoted key actuators |
| 06/07/1977 | US4028696 Double depression magnetic keyswitch |
| 06/07/1977 | US4028515 Spring contact switch for dual in line multiple switch assembly having momentary actuated lighted indicators |
| 06/07/1977 | US4028509 Simplified tabulator keyboard assembly for use in watch/calculator having transparent foldable flexible printed circuit board with contacts and actuator indicia |
| 05/31/1977 | US4027316 Apparatus for delayed firing of electronic flash units or the like |
| 05/31/1977 | US4027129 Push button switch |
| 05/24/1977 | US4025748 Single push-button switch having visual position indication |
| 05/17/1977 | US4024536 Method and a device for character presentation |
| 05/17/1977 | US4024368 Switch assembly having selective actuation sensitivity |
| 05/10/1977 | US4023002 Pusher and switch device for electronic watch |
| 05/10/1977 | US4022993 Switch assembly having electrically illuminated character display devices between transparent actuators and switch arrays |
| 05/10/1977 | US4022296 Signal input devices and systems |
| 05/03/1977 | US4021630 Hermetically sealed resilient contact switch having surgical applications |
| 05/03/1977 | US4020527 Grip for a hand held portable device |
| 04/26/1977 | US4020328 Auxiliary keyboard apparatus |
| 04/26/1977 | US4020309 Pushbutton switch/annunciator for aircraft instruments |
| 04/26/1977 | US4020305 Remote actuated switch |
| 04/26/1977 | US4019607 Signal input devices and systems |
| 04/19/1977 | US4019037 Electronic wristwatch incorporating calculator |
| 04/19/1977 | US4018999 Keyboard switch assembly having adhesive position retainer element |
| 04/12/1977 | US4017850 Magnetic keyswitch with two-piece support assembly |
| 04/12/1977 | US4017848 Transparent keyboard switch and array |
| 04/12/1977 | US4017700 Modular printed circuit board mountable push-button switch with tactile feedback |
| 04/12/1977 | US4017699 Dual acting snap switch |
| 04/12/1977 | US4017697 Keyboard membrane switch having threshold force structure |
| 04/05/1977 | US4016561 Push button switch with indicator |
| 04/05/1977 | US4016388 Keyboard switch |
| 03/22/1977 | US4013856 Push button assembly |
| 03/22/1977 | US4013855 Modular pushbutton switch |
| 03/15/1977 | US4012599 Telephone communications system for the deaf |
| 03/08/1977 | US4011422 Push-button switch |
| 03/08/1977 | US4011419 Switch blade |
| 03/01/1977 | US4010340 Switch member for portable, battery-operated apparatus |
| 02/22/1977 | US4009339 Device providing sensible output indicating receipt of data by computer |
| 02/08/1977 | US4007364 Writing instrument with calculator |
| 02/08/1977 | US4007354 Calculator and medium with commands for calculator operation |
| 02/08/1977 | US4007347 Simplified actuating switch for electronic timepieces |
| 02/08/1977 | US4006526 Electric commutator-switch and method for assembling it |
| 02/01/1977 | US4006335 Push-button switch |
| 01/25/1977 | US4005400 Data entry and decoding system for scripted data |
| 01/25/1977 | US4005388 Hand-held interactive terminal |
| 01/25/1977 | US4005299 Electrical contact member having low electrical resistance |
| 01/25/1977 | US4005293 Pushbutton keyboard switch assembly having individual concave-convex contacts integrally attached to conductor strips |
| 01/18/1977 | US4004121 Electrical switch with wire beam spring contact closer |
| 01/11/1977 | US4002892 Portable calculator |
| 01/11/1977 | US4002879 Double column leaf spring push-button switch |
| 01/11/1977 | US4002873 Illuminated pushbutton switch |
| 01/11/1977 | US4002871 Column leaf spring push-button switch for use in a keyboard |
| 01/11/1977 | US4002866 Electric switches |
| 01/04/1977 | US4001534 Switch assemblies |
| 01/04/1977 | US4001526 Alternate action switch |
| 12/28/1976 | US4000389 Printed circuit board and contact assembly for keyboard switch assemblies |
| 12/28/1976 | US4000382 Adjustable mechanism for control devices |