Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394649 | Communication terminal providing user communication of high comprehension | Michael Suchoff, Robert O. Doyle | 1983-07-19 |
| 4341385 | Electronic board game apparatus | Robert O. Doyle, Wendl Thomis | 1982-07-27 |
| 4334679 | Hand-held pinball game | Robert O. Doyle, Wendl Thomis | 1982-06-15 |
| 4231577 | Electrical game apparatus using fold switch matrices | Wendl Thomas, Robert O. Doyle | 1980-11-04 |