Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790543 | Sealing device governed by centrifugal force | Henning Wittmeyer, Magnus Kellstrom, Staffan Jarskar | 1988-12-13 |
| 4755067 | Seal for spherical rolling bearings | Sture L. Asberg, Gunnar Grafstrom, Olle Andersson | 1988-07-05 |