Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327921 | Pressure balanced - constant engagement force seal | Harold L. Reinsma | 1982-05-04 |
EI
Ernest Burdell Clark, III
Overall (1982): #66,779 of 81,411Top 85%
1
Patents 1982