Mark D. Fraser
10Patents
6h-index
11Co-inventors
55Inventor score
Filing activity: Mar 25, 1988 → Nov 6, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4834306A | Film cassette | Physics | 150 | Expired |
| US4938429A | Film cassette | Physics | 23 | Expired |
| US5151730A | Film cassette | Physics | 10 | Expired |
| US5083720A | Film cassette with cooperating stripper and light-lock | Physics | 7 | Expired |
| US5295578A | Single-piece protective package for a film cassette | Physics | 7 | Expired |
| US4887112A | Film cassette | Physics | 6 | Expired |
| US5715494A | Film cartridge with film-exposed visual indicator | Physics | 5 | Expired |
| US5031855A | Film-thrusting cassette | Physics | 5 | Expired |
| US5257750A | Film cassette with notched film leader | Physics | 3 | Expired |
| US5893001A | Film cassette | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.