Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829539 | Temperature thermal history indicating device | James P. Angus | 1989-05-09 |
DS
Derek Salt
Overall (1989): #37,456 of 140,708Top 30%
1
Patents 1989