Sidney Lieberman
3Patents
3h-index
—Co-inventors
33Inventor score
Filing activity: Jan 13, 1976 → Sep 23, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4019220A | Piston assembly for door closer | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4419787A | Door closer assist linkage | Fixed Constructions | 18 | Expired |
| US4394787A | Hydraulic door closer construction | Fixed Constructions | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.