Invention Grant
- Patent Title: Oil-switch.
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Application No.: US1906302438Application Date: 1906-02-23
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Publication No.: US1045288APublication Date: 1912-11-26
- Inventor: HEWLETT EDWARD M
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US1906302438 1906-02-23
Information query
