Edward Spencer
7Patents
7h-index
9Co-inventors
52Inventor score
Filing activity: Jun 1, 1976 → Apr 6, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD248777S | Ladder platform | General | 39 | Expired |
| US4782460A | Computing apparatus comprising a programmable resistor | Physics | 35 | Expired |
| US4061203A | Ladder attachment | Fixed Constructions | 27 | Expired |
| USRE30020E | Foldable work platform | General | 25 | Expired |
| US4031981A | Foldable work platform | Fixed Constructions | 25 | Expired |
| US4225216A | Tungsten niobate electrochromic device | Physics | 16 | Expired |
| US4121238A | Metal oxide/indium phosphide devices | Emerging Cross-Sectional Technologies | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.