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HEAT TREATMENT APPARATUS AND HEAT TREATMENT METHOD

17/906,644 | U.S. Patent Application

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Filed Sept. 19, 2022
Examiner Mesfin T Asfaw
Class 355
Art Group 2882
Patent No. 12,298,668
Case Type Utility
Status Patented Case
Last Updated: 4 days, 13 hours ago
Date # Transaction