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Patent applications and USPTO patent grants for Eglin; John J..The latest application filed is for "floating wrench assembly for drill rig".
Patent | Date |
---|---|
Floating wrench assembly for drill rig Grant 8,746,111 - Eglin , et al. June 10, 2 | 2014-06-10 |
Floating wrench assembly for drill rig App 20110252926 - Eglin; John J. ;   et al. | 2011-10-20 |
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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