Robert Birch
4Patents
3h-index
8Co-inventors
47Inventor score
Filing activity: Apr 25, 1980 → Aug 13, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD316923S | Long underwear ensemble | General | 26 | Expired |
| US4367870A | Shoulder stand device | Human Necessities | 26 | Expired |
| USD272117S | Plate | General | 3 | Expired |
| US7289021B2 | Apparatus and method for attaching an annular transponder unit to tire | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.