Douglas E. Lien
2Patents
2h-index
1Co-inventors
34Inventor score
Filing activity: Aug 25, 1980 → Jan 28, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5320443A | Connecting pin | Emerging Cross-Sectional Technologies | 22 | Expired |
| USD268512S | Hydraulic locking valve | General | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.