Jack L. Marion
5Patents
4h-index
7Co-inventors
50Inventor score
Filing activity: Apr 3, 1975 → Aug 27, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7054101B1 | System for high density linear serpentine data recording | Physics | 31 | Expired |
| US7508622B2 | Electronic data connector of data storage cartridge and associated read/write device | Electricity | 14 | Expired |
| US6745976B1 | Data tape speed tachometer using a porous roller bearing | Performing Operations; Transporting | 7 | Expired |
| US6609645B1 | Porous roller bearing | Performing Operations; Transporting | 6 | Expired |
| US3978546A | Apparatus for cleaning back surface of magnetic tape | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.