Walter L. Johnson
6Patents
4h-index
5Co-inventors
50Inventor score
Filing activity: Aug 5, 1991 → Dec 19, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5579943A | Container and dispensing closure lid having a tear-away tab | Performing Operations; Transporting | 25 | Expired |
| US5152709A | Beverage insulating flight cylinder | Performing Operations; Transporting | 17 | Expired |
| US6980821B2 | Call center access in a push to talk based call system | Electricity | 5 | Expired |
| US5915601A | Scored dispensing liner | Performing Operations; Transporting | 5 | Expired |
| US9198509B2 | System of retractable shelves | Performing Operations; Transporting | 2 | Active |
| US9888765B2 | System of retractable shelves | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.