Hartzler; Mark A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hartzler; Mark A..The latest application filed is for "chipper feed mechanism and throat opening sensor for use therewith".
- Hartzler; Mark A. - Marshallville OH
| Patent | Date |
|---|---|
| Chipper feed mechanism and throat opening sensor for use therewith Grant 7,874,504 - Chapman , et al. January 25, 2 | 2011-01-25 |
| Chipper feed mechanism and throat opening sensor for use therewith App 20090084876 - Chapman; Bruce G. ; et al. | 2009-04-02 |
| Chipper feed mechanism with pulsating down pressure Grant 7,481,386 - Hartzler , et al. January 27, 2 | 2009-01-27 |
| Chipper feed mechanism and throat opening sensor for use therewith App 20070108323 - Chapman; Bruce G. ; et al. | 2007-05-17 |
| Chipper feed mechanism with pulsating down pressure App 20070069051 - Hartzler; Mark A. ; et al. | 2007-03-29 |
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