Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813790 | Mouth grips for oral thermometers | Calvin W. Wingo | 1989-03-21 |
SF
Steven T. Frankel
Overall (1989): #55,599 of 140,708Top 40%
1
Patents 1989