Invention Grant
- Patent Title: Transmission device
- Patent Title (中): 传输设备
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Application No.: US36625420Application Date: 1920-03-16
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Publication No.: US1449048APublication Date: 1923-03-20
- Inventor: KELLY WILLIAM E
- Applicant: KELLY WILLIAM E
- Assignee: William E Kelly
- Current Assignee: William E Kelly
- Priority: US36625420 1920-03-16
- Main IPC: A47L5/30
- IPC: A47L5/30
Information query
