Darrel D. Nicholas
7Patents
5h-index
8Co-inventors
52Inventor score
Filing activity: Jun 9, 1989 → Jan 17, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5462589A | Synergistic wood preservative compositions | Performing Operations; Transporting | 55 | Expired |
| US5540954A | Synergistic wood preservative compositions | Performing Operations; Transporting | 33 | Expired |
| US6231651A | Enhanced wood preservative composition | Performing Operations; Transporting | 12 | Expired |
| US5730907A | Enhanced wood preservative composition | Performing Operations; Transporting | 12 | Expired |
| US5200457A | Water repellant for wood | Performing Operations; Transporting | 10 | Expired |
| US5944880A | Enhanced wood preservative composition | Performing Operations; Transporting | 3 | Expired |
| US6602605B2 | Modified wood with surface coatings | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.