Invention Grant
- Patent Title: Impulse transmitter
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Application No.: US33521529Application Date: 1929-01-26
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Publication No.: US1799686APublication Date: 1931-04-07
- Inventor: GOFF HAROLD W
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US33521529 1929-01-26
- Main IPC: H04M1/31
- IPC: H04M1/31
Information query
