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Patent applications and USPTO patent grants for Guo; Haijun.The latest application filed is for "cutting method for aluminum alloy casting, and trimming die".
Patent | Date |
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Cutting method for aluminum alloy casting, and trimming die Grant 11,376,670 - Guo , et al. July 5, 2 | 2022-07-05 |
Energy storage system Grant D947,778 - Qin , et al. April 5, 2 | 2022-04-05 |
Trimming die for casting of front steering knuckle in double-wishbone suspension Grant 11,123,786 - Xu , et al. September 21, 2 | 2021-09-21 |
Trimming Die For Casting Of Front Steering Knuckle In Double-wishbone Suspension App 20200406332 - GUO; Haijun ;   et al. | 2020-12-31 |
Cutting Method For Aluminum Alloy Casting, And Trimming Die App 20200406372 - Guo; Haijun ;   et al. | 2020-12-31 |
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