Donald E. Armstrong
19Patents
4h-index
17Co-inventors
57Inventor score
Filing activity: May 31, 1974 → Jun 13, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4059389A | Photoflash lamp and method of making same | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4113424A | Multilamp photoflash unit with static grounding system | Physics | 8 | Expired |
| US4155110A | Reflector-lamp module for photoflash array | Physics | 5 | Expired |
| US4245279A | Photoflash unit with inverted flashlamps | Electricity | 4 | Expired |
| US4227240A | Photoflash unit with formed insulating sheet | Electricity | 3 | Expired |
| US4156269A | Multilamp photoflash unit | Physics | 3 | Expired |
| US5697642A | Passenger safety restraint with pretensioner | Performing Operations; Transporting | 3 | Expired |
| US4314394A | Photoflash lamp construction and method of making same | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4360103A | Package means for photoflash unit | Performing Operations; Transporting | 2 | Expired |
| US4032769A | Photoflash lamp array with web hinge | Physics | 2 | Expired |
| US4281363A | Multilamp photoflash unit with reflective-protective circuit board element | Electricity | 2 | Expired |
| US4038020A | Photoflash lamp | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4270897A | Photoflash lamp construction and method of making same | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US3947225A | Photoflash lamp | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US3945697A | Method of manufacturing a photoflash lamp having an indicator-insulator | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US4371914A | Photoflash unit with circuit board radiation switches for selective pairing of lamps | Electricity | 1 | Expired |
| US4496311A | Multilamp photoflash array fabrication | Electricity | 1 | Expired |
| US3955912A | Test photoflash lamp | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US4493667A | Multilamp photoflash array fabrication | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.