Invention Grant
- Patent Title: Method of making steel sections
- Patent Title (中): 钢板制作方法
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Application No.: US3653835Application Date: 1935-08-16
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Publication No.: US2159371APublication Date: 1939-05-23
- Inventor: BRINK WINFIELD S
- Applicant: FIRESTONE TIRE & RUBBER CO
- Assignee: Firestone Tire & Rubber Co
- Current Assignee: Firestone Tire & Rubber Co
- Priority: US3653835 1935-08-16; US204135 1935-01-16
- Main IPC: B21H1/10
- IPC: B21H1/10
Information query
