| Patents for F21L 4 - Electric lighting devices with self-contained electric batteries or cells (13,838) |
|---|
| 04/03/1979 | US4148094 Combined spot and signal light |
| 04/03/1979 | US4147497 Hand-operable signal device using percussively-ignitable flashlamps |
| 03/13/1979 | US4144557 EL flashlight |
| 01/16/1979 | US4135230 Flashlight |
| 12/26/1978 | CA1045100A1 Portable battery-operated electric light |
| 12/19/1978 | US4130859 Pocket lamp |
| 12/12/1978 | US4129899 Flashlight with a rotatable lamp holder |
| 11/07/1978 | CA1041974A1 Flashlight having a push button switch means |
| 10/24/1978 | US4122510 Flashlight |
| 10/17/1978 | CA1040713A1 Lighting devices |
| 09/19/1978 | US4115842 Flashlight and flashlight charging receptacle |
| 09/12/1978 | US4114187 Diver's flashlight |
| 09/05/1978 | US4112485 Impact resistant explosion proof lamp comprising encapsulated light source |
| 08/15/1978 | US4107766 Emergency power failure light |
| 05/30/1978 | US4092580 Energizer apparatus for rechargeable flashlight batteries |
| 02/14/1978 | US4074122 Fluorescent lantern |
| 12/13/1977 | US4062371 Walking cane |
| 11/29/1977 | US4060723 Flashlight assembly |
| 11/15/1977 | US4058719 Adjustable flashlight holder |
| 10/18/1977 | US4054791 Portable lantern with high speed rotatory beam |
| 10/04/1977 | US4052610 Flashlight case assembly and flashlight |
| 09/13/1977 | US4048631 Portable variable intensity signalling flashlight |
| 08/30/1977 | US4045663 Rechargeable flashlight assembly |
| 08/23/1977 | US4044245 Portable, multi-purpose, rechargeable cigarette lighter |
| 08/09/1977 | US4041304 Flashlight |
| 06/28/1977 | US4032773 Flashlight |
| 06/14/1977 | US4029954 Portable lamp |
| 03/15/1977 | US4012629 Flashlight ring |
| 01/04/1977 | US4001803 Lighting devices |
| 12/28/1976 | US4000403 Multi-purpose light |
| 11/23/1976 | USRE29047 Push button switching module for flashlights |
| 09/21/1976 | US3982120 Flashlight |
| 08/31/1976 | US3978330 Battery hand lamp |
| 06/01/1976 | US3961175 Portable battery operated electric light |
| 05/25/1976 | US3959706 Charger |
| 04/27/1976 | US3953768 Portable fluorescent lamp and inverter therefor |
| 04/27/1976 | US3953722 Flashlight support means |
| 03/16/1976 | US3944805 Wireless electric swivel head hand lantern |