James A. Duff
9Patents
5h-index
7Co-inventors
56Inventor score
Filing activity: May 15, 1978 → Jan 27, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4412260A | Cartridge receiver mechanism | Physics | 36 | Expired |
| US4194228A | Magnetic disc housing with means to prevent radial disc shift | Physics | 15 | Expired |
| US6085918A | Shelving system brace and post | Human Necessities | 11 | Expired |
| US4185313A | Disc memory module dust shield | Physics | 9 | Expired |
| USD257675S | Disk memory module | General | 7 | Expired |
| US5030906A | Electrical connecting apparatus | Physics | 5 | Expired |
| US9345325B2 | Stackable shim | Emerging Cross-Sectional Technologies | 4 | Active |
| US4336631A | Handle assembly, top-load cartridge | Physics | 4 | Expired |
| US4177899A | Disc memory module with stackable dust shield | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.