Invention Grant
- Patent Title: Telephone line concentrator system
- Patent Title (中): 电话线集中器系统
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Application No.: US20042162Application Date: 1962-06-06
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Publication No.: US3230313APublication Date: 1966-01-18
- Inventor: GEORGE FISHMAN , LE CRONIER RICHARD E , ZEBE CHARLES W
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US20042162 1962-06-06
- Main IPC: H04Q3/00
- IPC: H04Q3/00
Information query
