Invention Grant
- Patent Title: Direction finder
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Application No.: US11822249Application Date: 1949-09-28
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Publication No.: US2581444APublication Date: 1952-01-08
- Inventor: GROAT RICHARDSON AVERY , CHESUS FRANK O
- Applicant: STANDARD TELEPHONES CABLES LTD
- Assignee: STC plc
- Current Assignee: STC plc
- Priority: US11822249 1949-09-28
- Main IPC: G01S1/02
- IPC: G01S1/02 ; G01S19/15 ; G01S19/18 ; G01S19/48 ; G01S19/49 ; G01S19/54 ; H01Q21/18
Public/Granted literature
- US08248907B2 Optical disc and optical disc device Public/Granted day:2012-08-21
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