Invention Grant
- Patent Title: Electromagnetic receiver.
- Patent Title (中): 电磁接收器
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Application No.: US1907397830Application Date: 1907-10-17
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Publication No.: US1069922APublication Date: 1913-08-12
- Inventor: COYKENDALL THOMAS C
- Applicant: COYKENDALL THOMAS C
- Assignee: Thomas C Coykendall
- Current Assignee: Thomas C Coykendall
- Priority: US1907397830 1907-10-17
Information query
