Invention Grant
- Patent Title: Converter system
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Application No.: US65373046Application Date: 1946-03-12
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Publication No.: US2516889APublication Date: 1950-08-01
- Inventor: LIBBY LESTER L
- Applicant: STANDARD TELEPHONES CABLES LTD
- Assignee: STC plc
- Current Assignee: STC plc
- Priority: US65373046 1946-03-12; GB275994X 1939-06-03; GB779740 1940-04-30
- Main IPC: F23Q7/00
- IPC: F23Q7/00 ; H03B5/34 ; H03D7/02 ; H03D7/10
Information query
