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Patent applications and USPTO patent grants for Ruhe; William.The latest application filed is for "dispersant viscosity index improvers having high ethylene content and lubricating oil compositions containing the same".
Patent | Date |
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Dispersant Viscosity Index Improvers Having High Ethylene Content And Lubricating Oil Compositions Containing The Same App 20070149414 - Ruhe; William ;   et al. | 2007-06-28 |
Automated manipulation system and method in a transit system Grant 7,206,676 - Cross , et al. April 17, 2 | 2007-04-17 |
Automated manipulation system and method in a transit system App 20040068361 - Cross, Michael ;   et al. | 2004-04-08 |
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