|
| US4014638 | 10. Nov. 1975 | 29. März 1977 | GTE Sylvania Incorporated | Photoflash lamp with electrostatic protection and method of making photoflash units |
| US4025285 | 28. Okt. 1975 | 24. Mai 1977 | GTE Sylvania Incorporated | Photoflash lamp |
| US4059388 | 5. Apr. 1976 | 22. Nov. 1977 | GTE Sylvania Incorporated | Photoflash lamp |
| US4270897 | 21. Dez. 1978 | 2. Juni 1981 | GTE Products Corporation | Photoflash lamp construction and method of making same |
| US4309166 | 11. Dez. 1978 | 5. Jan. 1982 | U.S. Philips Corporation | Combustion flashbulb |
| US4369028 | 24. Nov. 1976 | 18. Jan. 1983 | GTE Products Corporation | Photoflash lamp |
| US4457700 | 28. Sept. 1982 | 3. Juli 1984 | GTE Products Corporation | Electrically-activated photoflash lamp excluding a press-sealed end portion |
| USH638 | 28. Juli -14 | | | Rapid flash lamp |
