Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604737 | Electronic diving apparatus | — | 1986-08-05 |
| 4315108 | Integrated circuit chip telephone communication system | Michael Callahan | 1982-02-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604737 | Electronic diving apparatus | — | 1986-08-05 |
| 4315108 | Integrated circuit chip telephone communication system | Michael Callahan | 1982-02-09 |