Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D295042 | Television module | Robert F. Butler | 1988-04-05 |
| 4647980 | Aircraft passenger television system | Robert F. Butler | 1987-03-03 |
| D281940 | Airline passenger seat back combined LCD display and battery pack unit for an entertainment and information system | Robert F. Butler | 1985-12-31 |