Derek M. Helenberger
2Patents
2h-index
3Co-inventors
30Inventor score
Filing activity: Mar 15, 2000 → Aug 15, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6471664B1 | Knee joint and method | Human Necessities | 55 | Expired |
| US7083654B2 | Prosthetic angled locking coupler device | Human Necessities | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.