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Patent applications and USPTO patent grants for Koch; Richard L..The latest application filed is for "synthetic polymeric materials and devices thereof".
Patent | Date |
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Synthetic polymeric materials and devices thereof Grant 10,626,267 - James , et al. | 2020-04-21 |
Synthetic Polymeric Materials And Devices Thereof App 20190119485 - James; Susan P. ;   et al. | 2019-04-25 |
Synthetic polymeric materials and devices thereof Grant 10,167,387 - James , et al. J | 2019-01-01 |
Synthetic Polymeric Materials And Devices Thereof App 20160222203 - James; Susan P. ;   et al. | 2016-08-04 |
Fifth-wheel assembly Grant 4,614,355 - Koch September 30, 1 | 1986-09-30 |
Trailer hitch adaptor Grant 4,379,569 - Koch April 12, 1 | 1983-04-12 |
Electrical propulsion system and control arrangements therefor Grant 3,997,824 - Beverley , et al. December 14, 1 | 1976-12-14 |
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