Invention Grant
- Patent Title: Electric conversion
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Application No.: US28287339Application Date: 1939-07-05
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Publication No.: US2254247APublication Date: 1941-09-02
- Inventor: SOUTHGATE GEORGE T
- Applicant: SOUTHGATE GEORGE T
- Assignee: George T Southgate
- Current Assignee: George T Southgate
- Priority: US28287339 1939-07-05
- Main IPC: H02M1/20
- IPC: H02M1/20
Information query
