Donald J. Dignan
6Patents
6h-index
4Co-inventors
48Inventor score
Filing activity: Dec 28, 1979 → Aug 6, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4462486A | Folding foot step | Performing Operations; Transporting | 91 | Expired |
| US4335595A | Paddle lock with handle disconnect | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4492394A | Adjustable-grip latch | Emerging Cross-Sectional Technologies | 39 | Expired |
| USD276716S | Folding step | General | 27 | Expired |
| USD281665S | Combined latch operating handle and handle housing | General | 24 | Expired |
| US4714283A | Clamping type cabinet lock | Emerging Cross-Sectional Technologies | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.