Earl E. Seppala
4Patents
3h-index
6Co-inventors
43Inventor score
Filing activity: Oct 14, 1976 → Jan 11, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4872392A | Firearm gas relief mechanism | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4378220A | Apparatus for and method of coupling shafts | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4433509A | Window regulator | Fixed Constructions | 9 | Expired |
| US4064597A | Prevention of fibers from entering the pinch point between a rotating feed roll and a stationary shoe | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.