Pratt; John R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pratt; John R..The latest application filed is for "battery-changing vehicle with cantilevered boom".
- Pratt; John R. - Charlotte NC
Trademarks
| Patent | Date |
|---|---|
| Battery-changing vehicle with cantilevered boom Grant 8,025,474 - Springston , et al. September 27, 2 | 2011-09-27 |
| Battery-changing Vehicle With Cantilevered Boom App 20110176906 - Springston; Eric D. ; et al. | 2011-07-21 |
| Battery-changing vehicle with cantilevered boom Grant 7,938,612 - Springston , et al. May 10, 2 | 2011-05-10 |
| Battery-changing Vehicle With Cantilevered Boom App 20090067967 - Springston; Eric D. ; et al. | 2009-03-12 |
| Cart With Lift And Drive Assist App 20090014219 - Springston; Eric D. ; et al. | 2009-01-15 |
| Cart for die transportation Grant 7,220,222 - Springston , et al. May 22, 2 | 2007-05-22 |
| Cart for die transportation App 20060160684 - Springston; Eric D. ; et al. | 2006-07-20 |
| Apparatus with upper displacement member for handling articles App 20010016159 - Springston, Eric D. ; et al. | 2001-08-23 |
| Apparatus for handling articles Grant 6,247,887 - Springston , et al. June 19, 2 | 2001-06-19 |
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