Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559426 | Membrane switch and components having means for preventing creep | Willis A. Larson, David Christensen | 1985-12-17 |
| 4553009 | Keyboard switch with pivotal actuator lever | Ronald S. Denley | 1985-11-12 |
| 4479040 | Tactile feel switch with positive switch actuation | Ronald S. Denley | 1984-10-23 |
| 4458123 | Connector for attaching an electrical component to a membrane keyboard | Harold Hengesh, Michael J. Marcier | 1984-07-03 |
| 4438301 | Movable member membrane switch | — | 1984-03-20 |
| 4433223 | Pressure-sensitive adhesive and application thereof | Willis A. Larson | 1984-02-21 |
| 4418239 | Flexible connector with interconnection between conductive traces | Willis A. Larson | 1983-11-29 |
| 4405841 | Movable member membrane switch | — | 1983-09-20 |
| 4307275 | Membrane switch construction and method for making same | Willis A. Larson, Philip Bierhuizen | 1981-12-22 |