Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472963 | Cold cranking simulator including a sample supply system and viscometer | John F. Gyer | 1984-09-25 |
| 4458544 | Sample supply system and the handling of samples | John F. Gyer | 1984-07-10 |