Prairie; Douglas S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Prairie; Douglas S..The latest application filed is for "vacuum pump with wear adjustment".
- Prairie; Douglas S. - Boise ID
- Prairie; Douglas S. - Fargo ND
| Patent | Date |
|---|---|
| Pavement saw with self-leveling operator handle and depth control system Grant 7,497,522 - Thornton , et al. March 3, 2 | 2009-03-03 |
| Vacuum Pump With Wear Adjustment App 20080175722 - Muhs; David ; et al. | 2008-07-24 |
| Pavement Saw With Self-leveling Operator Handle And Depth Control System App 20070096540 - Thornton; Kenneth ; et al. | 2007-05-03 |
| Disc opener assembly for a seed planter Grant 6,644,223 - Prairie , et al. November 11, 2 | 2003-11-11 |
| Disc opener assembly for a seed planter Grant 6,640,732 - Prairie , et al. November 4, 2 | 2003-11-04 |
| Disc opener assembly for a seed planter App 20030015328 - Prairie, Douglas S. ; et al. | 2003-01-23 |
| Disc opener assembly for a seed planter App 20020166486 - Prairie, Douglas S. ; et al. | 2002-11-14 |
| Agricultural implement down pressure system Grant 6,454,019 - Prairie , et al. September 24, 2 | 2002-09-24 |
| Pneumatic seed delivery system Grant 5,915,312 - Meyer , et al. June 29, 1 | 1999-06-29 |
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