Invention Grant
- Patent Title: Method of making a commutator strip plate
- Patent Title (中): 制造换向片条的方法
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Application No.: US12707361Application Date: 1961-06-28
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Publication No.: US3148439APublication Date: 1964-09-15
- Inventor: SHOWALTER JR EDWARD W
- Applicant: SHOWALTER JR EDWARD W
- Assignee: Jr Edward W Showalter
- Current Assignee: Jr Edward W Showalter
- Priority: US12707361 1961-06-28; US74956558 1958-07-18
- Main IPC: H01H11/04
- IPC: H01H11/04
Public/Granted literature
- US08830131B1 Dual polarization antenna with high port isolation Public/Granted day:2014-09-09
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