William Biwer
3Patents
3h-index
11Co-inventors
37Inventor score
Filing activity: Apr 27, 1998 → Apr 27, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6032135A | Electronic purse card value system terminal programming system and method | Physics | 70 | Expired |
| US6330978A | Electronic purse card value system card security method | Physics | 61 | Expired |
| US6145740A | Electronic purse card value system | Physics | 27 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.