Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876589 | Phase responsive composite video signal control system | Michael L. Orsburn, Robert L. Hemsky, Robert Erik Schwarz, Craig F. Fearing | 1989-10-24 |
| 4839718 | Luminance selection apparatus for video signal control system | Robert L. Hemsky | 1989-06-13 |