Invention Grant
- Patent Title: Safety drive for motion-picture apparatus
- Patent Title (中): 运动图像装置的安全驱动
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Application No.: US16508317Application Date: 1917-04-28
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Publication No.: US1402274APublication Date: 1922-01-03
- Inventor: WILLIAM WENDERHOLD
- Applicant: CRU PATENTS CORP
- Assignee: Cru Patents Corp
- Current Assignee: Cru Patents Corp
- Priority: US16508317 1917-04-28
- Main IPC: G03B21/18
- IPC: G03B21/18
Public/Granted literature
- US10659905B1 Method, system, and processing device for correcting energy distributions of audio signal Public/Granted day:2020-05-19
Information query
