Invention Grant
- Patent Title: Spring coiling method and means
- Patent Title (中): 弹簧卷取方法和手段
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Application No.: US41977930Application Date: 1930-01-10
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Publication No.: US1849705APublication Date: 1932-03-15
- Inventor: BURD GORMAN C
- Applicant: AMERICAN CABLE CO INC
- Assignee: American Cable Co Inc
- Current Assignee: American Cable Co Inc
- Priority: US41977930 1930-01-10
- Main IPC: B21F3/04
- IPC: B21F3/04
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