Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879805 | Method for making a circuit interrupter device | John R. D'Entremont | 1989-11-14 |
| 4861250 | Mold sulfonation system | Wilhem E. Walles | 1989-08-29 |
DT
Donald L. Tomkinson
Texas Instruments: 1 patents #141 of 498Top 30%
Overall (1989): #28,740 of 140,708Top 25%
2
Patents 1989