Invention Grant
- Patent Title: Power operated toothbrush
- Patent Title (中): 电动牙刷
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Application No.: US35562964Application Date: 1964-03-30
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Publication No.: US3213471APublication Date: 1965-10-26
- Inventor: FREEMAN JOHN D
- Applicant: GEN TIME CORP
- Assignee: Gen Time Corp
- Current Assignee: Gen Time Corp
- Priority: US35562964 1964-03-30
- Main IPC: A61C17/38
- IPC: A61C17/38
Information query
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