Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341133 | Keyboard having touch sensor keys for conveying information electronically | J. Winfield Hill | 1994-08-23 |
| 4707247 | Disk cassette storing | — | 1987-11-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341133 | Keyboard having touch sensor keys for conveying information electronically | J. Winfield Hill | 1994-08-23 |
| 4707247 | Disk cassette storing | — | 1987-11-17 |