Willis A. Larson
29Patents
13h-index
10Co-inventors
74Inventor score
Filing activity: Aug 26, 1974 → May 2, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4017697A | Keyboard membrane switch having threshold force structure | Electricity | 140 | Expired |
| US4317013A | Membrane switch with universal spacer means | Emerging Cross-Sectional Technologies | 139 | Expired |
| US4559426A | Membrane switch and components having means for preventing creep | Electricity | 116 | Expired |
| US4418239A | Flexible connector with interconnection between conductive traces | Electricity | 82 | Expired |
| US3995126A | Membrane keyboard apparatus | Electricity | 55 | Expired |
| US3987259A | Membrane switch apparatus having sequential bridging contact arrangement | Electricity | 50 | Expired |
| US4403272A | Membrane switch interconnect tail and printed circuit board connection | Electricity | 31 | Expired |
| US4433223A | Pressure-sensitive adhesive and application thereof | Electricity | 23 | Expired |
| US3988551A | Membrane keyboard apparatus having common apertured electrode, aperture inserted electrodes and conductive bubble contactors | Electricity | 23 | Expired |
| US4249044A | Membrane switch with means for preventing contamination of the interior thereof | Electricity | 22 | Expired |
| US4034176A | Membrane switch apparatus | Electricity | 19 | Expired |
| US4633228A | Entry error elimination for data systems | Electricity | 15 | Expired |
| US4320573A | Method of manufacture for bendable membrane switch | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4307275A | Membrane switch construction and method for making same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US3992634A | Touch actuated electronic switch including protection from high potential electricity | Electricity | 9 | Expired |
| US4251683A | Interconnect tail for a membrane switch | Electricity | 8 | Expired |
| US4243852A | Membrane switch with means for impeding silver migration | Electricity | 8 | Expired |
| US4314114A | Laminated membrane switch | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4237358A | Isolation membrane switch | Electricity | 5 | Expired |
| US4367380A | Keyboard assembly and components therefor | Electricity | 5 | Expired |
| US4002923A | Touch actuated electronic switch | Electricity | 5 | Expired |
| US4385213A | Switch and component attachment to flexible printed circuitry | Electricity | 4 | Expired |
| US3947696A | Touch actuated electronic switch | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3981757A | Method of fabricating keyboard apparatus | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4420663A | Material for electrical devices having a flexible member | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.