Roepke; Wallace W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roepke; Wallace W..The latest application filed is for "mounting block to rotate coal cutter bits".
- Roepke; Wallace W. - Excelsior MN
| Patent | Date |
|---|---|
| Mounting block to rotate coal cutter bits Grant 4,302,053 - Roepke , et al. November 24, 1 | 1981-11-24 |
| Dust controlling method using a coal cutter bit Grant 4,251,109 - Roepke February 17, 1 | 1981-02-17 |
| Rockbolt safety gage Grant 3,960,009 - Roepke , et al. June 1, 1 | 1976-06-01 |
| Ultrahigh vacuum mounting fixture Grant 3,908,977 - Roepke , et al. September 30, 1 | 1975-09-30 |
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