Invention Grant
- Patent Title: Telephone system
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Application No.: US44013942Application Date: 1942-04-23
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Publication No.: US2396072APublication Date: 1946-03-05
- Inventor: BABCOCK STUART M , HORTON JR ARTHUR W , LOGAN MASON A
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US44013942 1942-04-23
- Main IPC: H04Q5/06
- IPC: H04Q5/06
Information query
