Ulrich Erpenstein
1Patents
1h-index
3Co-inventors
25Inventor score
Filing activity: Dec 7, 1999 → Dec 7, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6447625B1 | Method and device for bringing together and joining plastic cards and printed card supports | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.