Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023490 | Analog signal compression circuit | — | 1991-06-11 |
| 4521803 | System for compatible transmission of high-resolution TV | — | 1985-06-04 |
| 4475111 | Portable collapsing antenna | Richard Louis Frey, James R. Lewis | 1984-10-02 |