Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679087 | Method and apparatus for photographing video images of either polarity without CRT brightness or contrast readjustment | Michael A. Torrano, David H. Haddick | 1987-07-07 |
| 4433345 | Video image recording methods and devices | David H. Haddick, David A. Menzimer | 1984-02-21 |