David Lawrence Johnson
9Patents
5h-index
11Co-inventors
60Inventor score
Filing activity: Nov 4, 1977 → Feb 12, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5825448A | Reflective optically active diffractive device | Physics | 215 | Expired |
| US6141074A | Four domain pixel for liquid crystalline light modulating device | Physics | 115 | Expired |
| USD329326S | Beverage container | General | 39 | Expired |
| US5638201A | Optically active diffractive device | Physics | 27 | Expired |
| USD353578S | Electrical plug and connection holder | General | 11 | Expired |
| US8083028B2 | Tray for tripod deer stand | Human Necessities | 3 | Active |
| US7681850B2 | Tree ladder stand tray | Fixed Constructions | 2 | Active |
| US8220682B2 | Hunting call holder | Human Necessities | 1 | Active |
| US4159750A | Adapter for preloading bearings | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.