Invention Grant
- Patent Title: Radio system
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Application No.: US27924328Application Date: 1928-05-21
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Publication No.: US1828705APublication Date: 1931-10-20
- Inventor: KOLSTER FREDERICK A
- Applicant: FED TELEGRAPH CO
- Assignee: Fed Telegraph Co
- Current Assignee: Fed Telegraph Co
- Priority: US27924328 1928-05-21
- Main IPC: H01Q3/18
- IPC: H01Q3/18
Information query
