Roland Ullman
4Patents
4h-index
9Co-inventors
43Inventor score
Filing activity: Jan 16, 1985 → Feb 19, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5235749A | Shaving apparatus | Performing Operations; Transporting | 52 | Expired |
| USD355561S | Coffee machine | General | 29 | Expired |
| USD293265S | Electric dry shaver | General | 19 | Expired |
| USD391022S | Dry shaver | General | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.