Invention Grant
- Patent Title: Rotary motor
- Patent Title (中): 旋转电机
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Application No.: US48667821Application Date: 1921-07-22
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Publication No.: US1434104APublication Date: 1922-10-31
- Inventor: DIES CHARLES A
- Applicant: DIES CHARLES A
- Assignee: Charles A Dies
- Current Assignee: Charles A Dies
- Priority: US48667821 1921-07-22
- Main IPC: F03B13/04
- IPC: F03B13/04
Information query
