Phillip E. Stevens
6Patents
6h-index
4Co-inventors
52Inventor score
Filing activity: Jan 14, 1980 → Oct 1, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4867245A | Wing fold implement with latching structure | Human Necessities | 38 | Expired |
| US4355690A | Stack folding outrigger system | Human Necessities | 26 | Expired |
| US4974684A | Walking beam retainer | Human Necessities | 22 | Expired |
| US4463813A | Spring mounted standard assembly | Human Necessities | 10 | Expired |
| US4304306A | Implement and spring tine mounting therefore | Human Necessities | 8 | Expired |
| US5168936A | Trailing harrow rotatable to an up-side-down storage position | Human Necessities | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.