Charles E. Randall
5Patents
4h-index
9Co-inventors
46Inventor score
Filing activity: Feb 1, 1977 → Dec 1, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4735293A | Hatchway door for elevator system | Performing Operations; Transporting | 24 | Expired |
| US4530189A | Door entrance | Fixed Constructions | 20 | Expired |
| US4436184A | Elevator system | Performing Operations; Transporting | 15 | Expired |
| US4099599A | Method and apparatus for fastening a door panel to a door operator mounted on an elevator car | Fixed Constructions | 14 | Expired |
| US4356895A | Elevator system | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.