| Patents for H01K 1 - Details (7,905) | |
|---|---|
| 03/1976 | |
| 03/09/1976 | US3943395 Tubular incandescent lamp having spaced segments |
| 03/02/1976 | US3942063 Incandescent lamp having increased life |
| 02/1976 | |
| 02/24/1976 | US3940650 Electric incandescent lamp |
| 02/03/1976 | US3936672 Illumination device for copying machine |
| 01/1976 | |
| 01/13/1976 | US3932780 Electric lamp having an envelope with a specular light-reflective coating of oriented aluminum particles |