Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4388606 | Sequential photoflash array and fabrication employing radiation-activated switches | John W. Shaffer | 1983-06-14 |
| 4382774 | Spark gap switch | — | 1983-05-10 |
| 4345895 | Photoflash device having die-stamped circuit board assembly with flexure means to prevent switch cutting | Randall H. LeFever | 1982-08-24 |
| 4336570 | Radiation switch for photoflash unit | Gary L. Houseknecht | 1982-06-22 |
| 4330821 | Radiation switch for photoflash unit | John W. Shaffer | 1982-05-18 |
| 4325771 | Method of making a die-stamped circuit board assembly for photoflash devices | David R. Broadt, John W. Shaffer | 1982-04-20 |
| 4320572 | Die-stamped circuit board assembly having relief means-method of making | John W. Shaffer | 1982-03-23 |
| 4320440 | Connect switch | John W. Shaffer | 1982-03-16 |
| 4306855 | Photoflash unit having reflector with openings surrounded by transparent regions | John W. Shaffer | 1981-12-22 |
| 4282559 | Photoflash unit having flashlamps using looped lead-in wires for retention | Emery G. Audesse, Donald H. Pfefferle, James L. Holmes | 1981-08-04 |
| 4268891 | Multilamp photoflash unit having grounded reflector | Ronald E. Sindlinger, James L. Holmes | 1981-05-19 |