Invention Grant
- Patent Title: Electric switch
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Application No.: US31948352Application Date: 1952-11-08
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Publication No.: US2696543APublication Date: 1954-12-07
- Inventor: ELLWOOD WALTER B
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US31948352 1952-11-08; US6608448 1948-12-18
- Main IPC: H01H51/28
- IPC: H01H51/28
Information query
