Invention Grant
- Patent Title: Directive antenna system
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Application No.: US47572630Application Date: 1930-08-16
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Publication No.: US1892253APublication Date: 1932-12-27
- Inventor: SCHELLENG JOHN C
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US47572630 1930-08-16
- Main IPC: H01Q21/06
- IPC: H01Q21/06
Information query
