Fred Grubb
5Patents
2h-index
4Co-inventors
44Inventor score
Filing activity: Apr 5, 1976 → Aug 4, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4037780A | Locking letter tray | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8590455B2 | Rolling vehicle track | Emerging Cross-Sectional Technologies | 3 | Active |
| US9821490B2 | Stacked rolling vehicle track | Performing Operations; Transporting | 2 | Active |
| US10369720B2 | Stacked rolling vehicle track | Performing Operations; Transporting | 1 | Active |
| US9566527B2 | Rolling vehicle track | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.