Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336945 | Sinuous seal with auxiliary excluder lips | Keith W. Christiansen | 1982-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336945 | Sinuous seal with auxiliary excluder lips | Keith W. Christiansen | 1982-06-29 |