Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362645 | Temperature indicating compositions of matter | Craig R. Hof | 1982-12-07 |
| 4345470 | All plastic disposable thermometer | Craig R. Hof, Robert Polak | 1982-08-24 |
| 4339207 | Temperature indicating compositions of matter | Craig R. Hof | 1982-07-13 |