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Patent applications and USPTO patent grants for Liang; Chih C..The latest application filed is for "electric powertrain for work machine".
Patent | Date |
---|---|
Electric Powertrain For Work Machine App 20110295453 - Betz; Michael D. ;   et al. | 2011-12-01 |
Electric powertrain for machine Grant 7,950,481 - Betz , et al. May 31, 2 | 2011-05-31 |
Energy storage and recovery for a tracked machine Grant 7,658,250 - Betz , et al. February 9, 2 | 2010-02-09 |
Energy storage and recovery for a tracked machine App 20080121448 - Betz; Michael D. ;   et al. | 2008-05-29 |
Electric powertrain for work machine App 20070080236 - Betz; Michael D. ;   et al. | 2007-04-12 |
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