Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4968949 | Ohmically isolating input circuit | John D. Meyer, Bill Hemsath, Felicity Seidel | 1990-11-06 |
| 4679087 | Method and apparatus for photographing video images of either polarity without CRT brightness or contrast readjustment | George E. Lyon, David H. Haddick | 1987-07-07 |