Campbell; James Michael
Patent Applications and Registrations
Patent applications and USPTO patent grants for Campbell; James Michael.The latest application filed is for "speed reduction device".
- Campbell; James Michael - Aberdeen SD
Trademarks
| Patent | Date |
|---|---|
| Speed Reduction Device App 20140148289 - Anderson; Larry Gene ; et al. | 2014-05-29 |
| Housing assembly and method of assembling the same Grant 8,584,553 - Campbell , et al. November 19, 2 | 2013-11-19 |
| High efficiency right angle gearbox Grant 8,474,347 - Brick , et al. July 2, 2 | 2013-07-02 |
| High Efficiency Right Angle Gearbox App 20100307270 - Brick; David W. ; et al. | 2010-12-09 |
| Housing Assembly And Method Of Assembling The Same App 20090314132 - Campbell; James Michael ; et al. | 2009-12-24 |
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