Robert Butts
4Patents
2h-index
1Co-inventors
38Inventor score
Filing activity: Feb 16, 1978 → May 11, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5906049A | Double-ended utility knife with two covers | Performing Operations; Transporting | 26 | Expired |
| US4154101A | Air velocity gauge | Physics | 23 | Expired |
| USD255666S | Air velocity gauge | General | 2 | Expired |
| US9920539B1 | Adjustable arch measuring tool and associated use thereof | Fixed Constructions | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.