Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928067 | Non-intrusive fiber optic electromagnetic field probe apparatus and associated methods | — | 1990-05-22 |
| 4590600 | Dynamic digital equalizer | Robert H. Beeman | 1986-05-20 |
| 4584696 | Transmission response measurement | Robert H. Beeman | 1986-04-22 |
| 4399499 | Bi-lateral four quadrant power converter | James S. Butcher, Andrew K. Chan | 1983-08-16 |
| 4382163 | Microcomputer controlled key telephone line circuit | Thomas E. White | 1983-05-03 |