Invention Grant
- Patent Title: Manufacture of electrotype printing plates
- Patent Title (中): 电印板的制造
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Application No.: US16938937Application Date: 1937-10-16
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Publication No.: US2220671APublication Date: 1940-11-05
- Inventor: BLAETZ HARRY M
- Applicant: CURTIS PUBLISHING COMPANY
- Assignee: Curtis Publishing Company
- Current Assignee: Curtis Publishing Company
- Priority: US16938937 1937-10-16
- Main IPC: B41C3/08
- IPC: B41C3/08
Public/Granted literature
- US11076255B2 Computer performance of executing binaural sound Public/Granted day:2021-07-27
Information query
