Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330133 | Dual-ring seal with temperature compensation | James P. Angus, John M. Robertson | 1982-05-18 |
JP
Jack Palfreyman
Overall (1982): #55,668 of 81,411Top 70%
1
Patents 1982