Null, Jr.; William A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Null, Jr.; William A..The latest application filed is for "gas concentrator".
- Null, Jr.; William A. - Sullivan OH
- Null, Jr.; William A. - West Salem OH
| Patent | Date |
|---|---|
| Pumping device Grant 9,624,918 - Goertzen , et al. April 18, 2 | 2017-04-18 |
| Gas concentrator Grant 9,061,238 - Null, Jr. , et al. June 23, 2 | 2015-06-23 |
| Gas Concentrator App 20140260991 - Null, JR.; William A. ; et al. | 2014-09-18 |
| Suspension for wheeled vehicles Grant 8,534,679 - Goertzen , et al. September 17, 2 | 2013-09-17 |
| Pumping Device App 20130209297 - Goertzen; Gerold ; et al. | 2013-08-15 |
| Suspension For Wheeled Vehicles App 20120299260 - Goertzen; Gerold ; et al. | 2012-11-29 |
| Obstacle Traversing Wheelchair App 20120217070 - Goertzen; Gerold ; et al. | 2012-08-30 |
| Obstacle traversing wheelchair Grant 8,172,016 - Goertzen , et al. May 8, 2 | 2012-05-08 |
| System and method for providing oxygen Grant 8,062,003 - Goertzen , et al. November 22, 2 | 2011-11-22 |
| Compressor App 20110038740 - Goertzen; Gerold ; et al. | 2011-02-17 |
| Obstacle Traversing Wheelchair App 20100013172 - Goertzen; Gerold ; et al. | 2010-01-21 |
| Obstacle traversing wheelchair Grant 7,597,163 - Goertzen , et al. October 6, 2 | 2009-10-06 |
| Mobility aid Grant 7,419,182 - Goertzen , et al. September 2, 2 | 2008-09-02 |
| Self-stabilizing suspension for wheeled vehicles Grant 7,293,801 - Bertrand , et al. November 13, 2 | 2007-11-13 |
| Obstacle traversing wheelchair Grant 7,219,755 - Goertzen , et al. May 22, 2 | 2007-05-22 |
| Suspension with releasable locking system Grant 7,083,195 - Goertzen , et al. August 1, 2 | 2006-08-01 |
| Obstacle traversing wheelchair Grant 6,935,448 - Goertzen , et al. August 30, 2 | 2005-08-30 |
| Obstacle traversing wheelchair Grant 6,923,280 - Goertzen , et al. August 2, 2 | 2005-08-02 |
| Vehicle having an anti-dive/lockout mechanism Grant 6,851,711 - Goertzen , et al. February 8, 2 | 2005-02-08 |
| Obstacle traversing wheelchair Grant 6,554,086 - Goertzen , et al. April 29, 2 | 2003-04-29 |
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