Invention Grant
- Patent Title: Flaring and swedging tool
- Patent Title (中): 喇叭口和曲线工具
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Application No.: US37469541Application Date: 1941-01-16
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Publication No.: US2314221APublication Date: 1943-03-16
- Inventor: KELLEMS EDGAR E
- Applicant: IMP BRASS MFG CO
- Assignee: Imp Brass Mfg Co
- Current Assignee: Imp Brass Mfg Co
- Priority: US37469541 1941-01-16; US28623439 1939-07-24
- Main IPC: B21D41/02
- IPC: B21D41/02
Information query
