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Patent applications and USPTO patent grants for Kreitzberg; John S.The latest application filed is for "wear assembly for excavating equipment".
Patent | Date |
---|---|
Wear assembly for excavating equipment Grant 8,578,637 - Ollinger, IV , et al. November 12, 2 | 2013-11-12 |
Wear Assembly For Excavating Equipment App 20120023788 - Ollinger, IV; Charles G. ;   et al. | 2012-02-02 |
Wear assembly for excavating equipment Grant 8,061,064 - Ollinger, IV , et al. November 22, 2 | 2011-11-22 |
Wear Assembly For Excavating Equipment App 20110232139 - Ollinger, IV; Charles G. ;   et al. | 2011-09-29 |
Wear Assembly For Excavating Equipment App 20110099861 - Ollinger, IV; Charles G. ;   et al. | 2011-05-05 |
Wear Assembly For Excavating Equipment App 20090277050 - Ollinger, IV; Charles G. ;   et al. | 2009-11-12 |
Locking pin for excavating equipment Grant 6,030,143 - Kreitzberg February 29, 2 | 2000-02-29 |
Mining tooth point Grant 4,903,420 - Kreitzberg , et al. February 27, 1 | 1990-02-27 |
Excavating shovel Grant 4,633,601 - Fleck , et al. January 6, 1 | 1987-01-06 |
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