Steinlage; David Lee
Patent Applications and Registrations
Patent applications and USPTO patent grants for Steinlage; David Lee.The latest application filed is for "implement rear hitch height and attitude control".
- Steinlage; David Lee - Adel IA
- Steinlage; David Lee - Dallas Center IA
- Steinlage; David Lee - Ankeny IA
| Patent | Date |
|---|---|
| Implement rear hitch height and attitude control Grant 7,513,316 - Ruckle , et al. April 7, 2 | 2009-04-07 |
| Implement rear hitch height and attitude control App 20080121402 - Ruckle; Jarrod Ray ; et al. | 2008-05-29 |
| Low disturbance deep tillage point Grant 7,104,341 - Steinlage , et al. September 12, 2 | 2006-09-12 |
| Structure for converting an integral implement to a drawn type Grant 7,036,604 - Steinlage , et al. May 2, 2 | 2006-05-02 |
| Structure For Converting An Integral Implement To A Drawn Type App 20050241840 - Steinlage, David Lee ; et al. | 2005-11-03 |
| Deep tillage ripper point Grant D505,137 - Steinlage , et al. May 17, 2 | 2005-05-17 |
| Low disturbance deep tillage point App 20050072345 - Steinlage, David Lee ; et al. | 2005-04-07 |
| Directly actuated depth control Grant 6,786,130 - Steinlage , et al. September 7, 2 | 2004-09-07 |
| Tower and wheel arm assembly Grant 6,745,848 - Mosdal , et al. June 8, 2 | 2004-06-08 |
| Directly Actuated Depth Control App 20040079223 - Steinlage, David Lee ; et al. | 2004-04-29 |
| Simplified adjustable tine harrow assembly Grant 6,688,405 - Steinlage February 10, 2 | 2004-02-10 |
| Implement lift and level system with a front mounted direct coupled rockshaft Grant 6,679,339 - Steinlage , et al. January 20, 2 | 2004-01-20 |
| Simplified adjustable tine harrow assembly App 20030132013 - Steinlage, David Lee | 2003-07-17 |
| Leveling wheel structure for a minimum tillage ripper Grant 6,502,644 - Steinlage , et al. January 7, 2 | 2003-01-07 |
| Leveling wheel structure for a minimum tillage ripper App 20020144830 - Steinlage, David Lee ; et al. | 2002-10-10 |
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