Invention Grant
- Patent Title: Duplicating machine
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Application No.: US12260837Application Date: 1937-01-27
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Publication No.: US2190988APublication Date: 1940-02-20
- Inventor: JOHANSEN EINAR K
- Applicant: CINCINNATI MILLING MACHINE CO
- Assignee: Cincinnati Milling Machine Co
- Current Assignee: Cincinnati Milling Machine Co
- Priority: US12260837 1937-01-27
- Main IPC: B23Q35/18
- IPC: B23Q35/18
Public/Granted literature
Information query
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