Richter; W. Mark
Patent Applications and Registrations
Patent applications and USPTO patent grants for Richter; W. Mark.The latest application filed is for "motion-based power assist system for wheelchairs".
- Richter; W. Mark - Nashville TN
- Richter; W Mark - Antioch TN US
- Richter; W. Mark - Santa Cruz CA
| Patent | Date |
|---|---|
| Motion-based Power Assist System For Wheelchairs App 20210338500 - Richter; W. Mark | 2021-11-04 |
| Motion-based power assist system for wheelchairs Grant 11,065,166 - Richter July 20, 2 | 2021-07-20 |
| Motion-based Power Assist System For Wheelchairs App 20210169716 - RICHTER; W. MARK | 2021-06-10 |
| Motion-based power assist system for wheelchairs Grant 9,398,990 - Richter July 26, 2 | 2016-07-26 |
| Adjustable wheelchair handrim with movable friction band Grant 8,770,611 - Richter July 8, 2 | 2014-07-08 |
| Motion-based Power Assist System For Wheelchairs App 20130008732 - RICHTER; W. MARK | 2013-01-10 |
| Adjustable Wheelchair Handrim With Movable Friction Band App 20120297923 - RICHTER; W. MARK | 2012-11-29 |
| Low impact hand rim apparatus for hand-propelled wheelchair Grant 6,120,047 - Axelson , et al. September 19, 2 | 2000-09-19 |
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