Invention Grant
- Patent Title: Recorder failure indicator
- Patent Title (中): 记录仪故障指示灯
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Application No.: US5739548Application Date: 1948-10-29
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Publication No.: US2554549APublication Date: 1951-05-29
- Inventor: ALBERT WALTER P , GOFF HAROLD W
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US5739548 1948-10-29
- Main IPC: H04L13/06
- IPC: H04L13/06
Information query
