Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285594 | Optical system for densitometer | Gene A. Butts | 1981-08-25 |
| 4234134 | Paper tensioning device | — | 1980-11-18 |
| 4228441 | Printer head biasing apparatus | — | 1980-10-14 |
| 4194513 | Antenatal cell extracting device and method | Joseph F. Thompson, Catherine Palmer | 1980-03-25 |