Roever; Douglas Michael
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roever; Douglas Michael.The latest application filed is for "face coupling".
- Roever; Douglas Michael - Indianapolis IN US
| Patent | Date |
|---|---|
| Face coupling Grant 8,465,373 - Dornfeld , et al. June 18, 2 | 2013-06-18 |
| Face Coupling App 20110158744 - Dornfeld; Michael S. ; et al. | 2011-06-30 |
| Dual counterweight balancing system Grant 7,296,976 - Roever , et al. November 20, 2 | 2007-11-20 |
| Dual counterweight balancing system App 20060083619 - Roever; Douglas Michael ; et al. | 2006-04-20 |
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