Willibald Grammer
2Patents
0Active
2Granted
22Portfolio score
Filing activity: Nov 3, 1977 → Nov 7, 1977
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4097088A | Arm rest assembly for a seat, particularly a driver's seat | Performing Operations; Transporting | 38 | Expired |
| US4183492A | Vehicle seat | Performing Operations; Transporting | 32 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.