Invention Grant
- Patent Title: Oscillating motor-fan.
- Patent Title (中): 振动电机。
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Application No.: US1903184579Application Date: 1903-12-10
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Publication No.: US819630APublication Date: 1906-05-01
- Inventor: BARKER RALPH E
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US1903184579 1903-12-10
Information query
