Invention Grant
- Patent Title: Power line carrier frequency telephone system
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Application No.: US36224440Application Date: 1940-10-22
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Publication No.: US2264396APublication Date: 1941-12-02
- Inventor: MOORE HILBERT R
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: NEC Corp
- Current Assignee: NEC Corp
- Priority: US36224440 1940-10-22
- Main IPC: H04B3/54
- IPC: H04B3/54
Information query
