Lawrence D. Simpson
5Patents
4h-index
9Co-inventors
50Inventor score
Filing activity: Dec 22, 1977 → Apr 20, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6032044A | Cellular communications system with screening of unauthorized services | Electricity | 47 | Expired |
| US4253280A | Method of labelling directional characteristics of an article having two opposite major surfaces | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4170021A | Electronic article with orientation-identifying surface shape | Electricity | 5 | Expired |
| US4343388A | Apparatus for sorting articles | Electricity | 4 | Expired |
| US4235014A | Apparatus for assembling a plurality of articles | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.