William Joseph Leonard
5Patents
4h-index
4Co-inventors
50Inventor score
Filing activity: May 29, 1975 → Dec 26, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4238579A | Vinylamine aromatic copolymers and salts thereof | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5479835A | Reverse gear synchronizer | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4260714A | Acetamidoethylene copolymers | Chemistry; Metallurgy | 6 | Expired |
| US4028342A | Polymeric phenolic antioxidants | Chemistry; Metallurgy | 4 | Expired |
| US10070737B2 | Play table with brick toy well | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.