Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5209499 | Unitized polytetrafluoroethylene radial lip seal | Donald N. Ruff, Jr. | 1993-05-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5209499 | Unitized polytetrafluoroethylene radial lip seal | Donald N. Ruff, Jr. | 1993-05-11 |