Invention Grant
- Patent Title: Automatic tension release for blind stitch sewing machines
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Application No.: US16520437Application Date: 1937-09-22
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Publication No.: US2199751APublication Date: 1940-05-07
- Inventor: MUELLER CHARLES W
- Applicant: LEWIS INVISIBLE STITCH MACHINE
- Assignee: Lewis Invisible Stitch Machine
- Current Assignee: Lewis Invisible Stitch Machine
- Priority: US16520437 1937-09-22
- Main IPC: D05B1/24
- IPC: D05B1/24 ; D05B85/06
Public/Granted literature
- US11209448B2 Automatic analyzer Public/Granted day:2021-12-28
Information query
