Invention Grant
- Patent Title: Collet chuck
- Patent Title (中): 夹头卡盘
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Application No.: US51235643Application Date: 1943-11-30
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Publication No.: US2454098APublication Date: 1948-11-16
- Inventor: SCHMIDT JOHN G
- Applicant: ARTHUR V WHITTINGTON
- Assignee: Arthur V Whittington
- Current Assignee: Arthur V Whittington
- Priority: US51235643 1943-11-30
- Main IPC: B23B31/20
- IPC: B23B31/20
Information query
