Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822957 | Electrographic touch sensor having reduced bow of equipotential field lines therein | John T. Quirk, Jr. | 1989-04-18 |
| 4797514 | Touch sensitive device with increased linearity | William A. Gibson | 1989-01-10 |
| 4777328 | Circular electrographic touch sensor with orthogonal fields and linear response | John T. Quirk, Jr., William A. Gibson | 1988-10-11 |
| 4731508 | Electrographic tough sensor having reduced bow of equipotential field line therein | William A. Gibson, John W. T. Dabbs | 1988-03-15 |
| 4687885 | Electrographic touch sensor with Z-axis capability | William A. Gibson | 1987-08-18 |
| 4661655 | Electrographic touch sensor and method of reducing bowed equipotential fields therein | William A. Gibson | 1987-04-28 |
| 4659873 | Fabric touch sensor and method of manufacture | William A. Gibson | 1987-04-21 |
| 4220815 | Nonplanar transparent electrographic sensor | William A. Gibson | 1980-09-02 |