Frederick W. Dour
9Patents
7h-index
9Co-inventors
48Inventor score
Filing activity: Sep 14, 1994 → Sep 12, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5517916A | Self-inking stamp | Performing Operations; Transporting | 21 | Expired |
| USD444808S | Hand stamp | General | 20 | Expired |
| US5649485A | Self-inking stamp | Performing Operations; Transporting | 18 | Expired |
| USD387799S | Self-inking stamp | General | 14 | Expired |
| USD478930S1 | Hand stamp and storage cap | General | 14 | Expired |
| USD387800S | Ink pad holder | General | 14 | Expired |
| US6119596A | Pre-inked marking structures and method of assembling same to a stamped mount | Performing Operations; Transporting | 12 | Expired |
| USD477628S1 | Hand stamp case | General | 7 | Expired |
| US7024994B2 | Hand stamp with locking ribs | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.