Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5180172 | Eccentric face seal with asymmetric closing force | — | 1993-01-19 |
| 4948151 | Rotary end face seal assembly | Peter Janzen | 1990-08-14 |
| 4848162 | Elastodynamic testing of elongate compressible material | Ronald G. Wensel | 1989-07-18 |