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Patent applications and USPTO patent grants for LEE; Bo-Ryong.The latest application filed is for "heat-hardened steel with excellent crashworthiness and method for manufacturing heat-hardenable parts using same".
Patent | Date |
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Heat-hardened Steel With Excellent Crashworthiness And Method For Manufacturing Heat-hardenable Parts Using Same App 20160281190 - NAM; Seung-Man ;   et al. | 2016-09-29 |
Preparation Method Of Steel Product Having Different Strengths Using Laser Heat Treatment, And Heat Hardened Steel Used Therein App 20150211086 - IM; Hee-Joong ;   et al. | 2015-07-30 |
Automobile Part Manufacturing Method Using Quenched Steel Sheet App 20150167111 - NAM; Seung-Man ;   et al. | 2015-06-18 |
Preparation Method Of Steel Product Having Different Strengths Using Laser Heat Treatment, And Heat Hardened Steel Used Therein App 20140227553 - Im; Hee-Joong ;   et al. | 2014-08-14 |
Heat-hardened Steel With Excellent Crashworthiness And Method For Manufacturing Heat-hardenable Parts Using Same App 20140083574 - Nam; Seung-Man ;   et al. | 2014-03-27 |
Automobile Part Manufacturing Method Using Quenched Steel Sheet App 20120216920 - Nam; Seung-Man ;   et al. | 2012-08-30 |
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