Invention Grant
- Patent Title: Telephone system
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Application No.: US55007044Application Date: 1944-08-18
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Publication No.: US2382893APublication Date: 1945-08-14
- Inventor: BURTON MCKIM , OSCAR MYERS
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US55007044 1944-08-18
- Main IPC: H04Q3/00
- IPC: H04Q3/00 ; H04Q3/42
Information query
