Charles B. Walker
5Patents
4h-index
5Co-inventors
50Inventor score
Filing activity: Jul 28, 1982 → Oct 14, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5718347A | Child resistant, user friendly container and closure | Performing Operations; Transporting | 81 | Expired |
| US4587964A | Rasp tool | Human Necessities | 67 | Expired |
| US4420089A | Container closure having child-safety means | Performing Operations; Transporting | 44 | Expired |
| US4838550A | Pneumatic ball amusement game | Human Necessities | 4 | Expired |
| US11523667B2 | Multipurpose carrier with compartment for western hat | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.