William D. Freeman
3Patents
3h-index
17Co-inventors
43Inventor score
Filing activity: Sep 15, 1988 → Dec 20, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD309323S | Cartridge for an electrophotographic printer | General | 25 | Expired |
| US4940348A | Platen controlled sheetfeed permitting back-up for erasure | Performing Operations; Transporting | 7 | Expired |
| USD399249S | Toner cartridge for laser printer | General | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.