Invention Grant
- Patent Title: Loop-forming device for sewing machines
- Patent Title (中): 缝纫机环形成型装置
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Application No.: US17942627Application Date: 1927-03-30
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Publication No.: US1738644APublication Date: 1929-12-10
- Inventor: GATCHELL GEORGE S
- Applicant: SINGER MFG CO
- Assignee: Singer Co
- Current Assignee: Singer Co
- Priority: US17942627 1927-03-30
- Main IPC: D05B1/06
- IPC: D05B1/06 ; D05B57/02 ; D05B73/00
Public/Granted literature
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