Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104509 | Method and apparatus for producing layers of hard carbon modifications | Wolfgang Schlump, Jurgen Willbrand | 1992-04-14 |
| 5037516 | Process to apply a MoS.sub.2 coating on a substrate | — | 1991-08-06 |
| 4788932 | Device for coating the groove of a ball bearing with a powder-type solid lubricating material | Werner Kullman, deceased, Ursula Spang, heir | 1988-12-06 |
| 4763508 | Method for determining the friction torque of a test bearing | — | 1988-08-16 |