James E. Fergen
10Patents
5h-index
14Co-inventors
63Inventor score
Filing activity: Dec 6, 1985 → Jul 19, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4667185A | Wireless synchronization system for electronic article surveillance system | Physics | 20 | Expired |
| US6369709B1 | Terminal for libraries and the like | Physics | 15 | Expired |
| US6057763A | Method and apparatus for activating and deactivating electromagnetic article surveillance markers | Physics | 6 | Expired |
| US6857568B1 | Terminal for libraries and the like | Physics | 6 | Expired |
| US6750777B2 | Terminal for libraries and the like | Physics | 5 | Expired |
| US6464138B1 | Terminal for libraries and the like | Physics | 1 | Expired |
| US8002182B2 | System for processing financial transactions in a self-service library terminal | Physics | 1 | Active |
| US8322614B2 | System for processing financial transactions in a self-service library terminal | Physics | 1 | Active |
| US6549141B1 | Terminal for libraries and the like | Physics | 0 | Expired |
| US6542070B1 | Terminal for libraries and the like | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.