Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431882 | Transparent capacitance membrane switch | — | 1984-02-14 |
| 4415781 | Membrane switch | James P. Walber, Jan M. Janick | 1983-11-15 |
| 4412209 | RC Array | James P. Walber, Jan M. Janick | 1983-10-25 |
| 4405849 | Switching contact | — | 1983-09-20 |
| 4400758 | Capacitance switch arrangement | — | 1983-08-23 |
| 4376145 | Electroluminescent display | — | 1983-03-08 |
| 4373124 | Capacitance switch | — | 1983-02-08 |
| 4373122 | Capacitance switch | — | 1983-02-08 |
| 4369393 | Electroluminescent display including semiconductor convertible to insulator | — | 1983-01-18 |
| 4367385 | Capacitance switch | — | 1983-01-04 |
| 4274028 | Ultraviolet light generation | — | 1981-06-16 |
| 4266223 | Thin panel display | — | 1981-05-05 |