Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879471 | Rapid-scanning infrared sensor | — | 1989-11-07 |
| 4830504 | Gloss gauge | Allen Frohardt, John J. Howarth | 1989-05-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879471 | Rapid-scanning infrared sensor | — | 1989-11-07 |
| 4830504 | Gloss gauge | Allen Frohardt, John J. Howarth | 1989-05-16 |