| 9689431 |
Seal arrangement having a thrower ring for an anti-friction bearing |
Wilhelm Walter, Alexander Happ |
2017-06-27 |
| 8628248 |
Centrifugal ring with collecting channel |
Wilheim Walter |
2014-01-14 |
| 8500338 |
Steering knuckle with pre-sealing |
Wilhelm Walter |
2013-08-06 |
| 8240674 |
Seal with non-contact adjacent deflector rings |
Wilhelm Walter |
2012-08-14 |
| 8152381 |
Rolling bearing comprising a device for withdrawing a liquid |
Wilhelm Walter, Alexander Haepp |
2012-04-10 |
| 7624989 |
Seal with non-contact adjacent deflector rings |
Wilhelm Walter |
2009-12-01 |
| 4979899 |
Scaler for cleaning teeth |
Ludwig Romhild |
1990-12-25 |
| 4854080 |
Apparatus for sharpening periodontal instruments |
Ludwig Romhild, Peter Reinhard |
1989-08-08 |
| 4820153 |
Process and apparatus for cleaning a tooth |
Ludwig Romhild, Peter Reinhard |
1989-04-11 |
| 4820154 |
Dental instrument with a tool for treating the teeth |
Ludwig Romhild, Peter Reinhard |
1989-04-11 |
| 4412729 |
Vision testing device |
— |
1983-11-01 |