Invention Grant
- Patent Title: Electrical switch
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Application No.: US46521842Application Date: 1942-11-11
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Publication No.: US2347834APublication Date: 1944-05-02
- Inventor: LIVINGSTON JOHN W
- Applicant: UNION SWITCH & SIGNAL CO
- Assignee: Ansaldo STS USA Inc
- Current Assignee: Ansaldo STS USA Inc
- Priority: US46521842 1942-11-11
- Main IPC: H01H50/42
- IPC: H01H50/42
Information query
