Frederick C. Close
5Patents
2h-index
4Co-inventors
30Inventor score
Filing activity: Sep 10, 1986 → Aug 26, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5024153A | Print drum for a postage meter | Physics | 19 | Expired |
| US5046378A | Anti-jamming gear arrangement | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4881460A | Postage meter and control arrangement for same | Physics | 2 | Expired |
| US4841858A | Impression roller assembly including an ejector roller | Performing Operations; Transporting | 1 | Expired |
| US4910392A | Counter mechanisms | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.