Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5096207 | Cartridge seal with dual lipped secondary seal | Rolf Vogt, Rolf Drucktenhengt | 1992-03-17 |
| 4345770 | Coffered seal | — | 1982-08-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5096207 | Cartridge seal with dual lipped secondary seal | Rolf Vogt, Rolf Drucktenhengt | 1992-03-17 |
| 4345770 | Coffered seal | — | 1982-08-24 |