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公开(公告)号:US2458731A
公开(公告)日:1949-01-11
申请号:US51900344
申请日:1944-01-20
Applicant: RADIO PATENTS CORP
Inventor: KARL RATH
IPC: G01R17/02
CPC classification number: G01R17/02
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公开(公告)号:US2327557A
公开(公告)日:1943-08-24
申请号:US44764342
申请日:1942-06-19
Applicant: RADIO PATENTS CORP
Inventor: KARL RATH
IPC: H05B41/08
CPC classification number: H05B41/08
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公开(公告)号:US2262407A
公开(公告)日:1941-11-11
申请号:US38369841
申请日:1941-03-17
Applicant: RADIO PATENTS CORP
Inventor: KARL RATH
IPC: H03D3/32
CPC classification number: H03D3/32
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公开(公告)号:US2248197A
公开(公告)日:1941-07-08
申请号:US31897240
申请日:1940-02-14
Applicant: RADIO PATENTS CORP
Inventor: KARL RATH
IPC: H03D3/22
CPC classification number: H03D3/22
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公开(公告)号:US2051177A
公开(公告)日:1936-08-18
申请号:US628635
申请日:1935-02-13
Applicant: RADIO PATENTS CORP
Inventor: KARL RATH
IPC: H01J21/20
CPC classification number: H01J21/20 , H01J2893/003
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公开(公告)号:US1985058A
公开(公告)日:1934-12-18
申请号:US59369932
申请日:1932-02-18
Applicant: RADIO PATENTS CORP
Inventor: KARL RATH
CPC classification number: H01J61/56 , H01J17/00 , H01J2893/0064
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公开(公告)号:US2446390A
公开(公告)日:1948-08-03
申请号:US50410743
申请日:1943-09-28
Applicant: RADIO PATENTS CORP
Inventor: KARL RATH
IPC: H03F3/40
CPC classification number: H03F3/40
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公开(公告)号:US2253942A
公开(公告)日:1941-08-26
申请号:US33140740
申请日:1940-04-24
Applicant: RADIO PATENTS CORP
Inventor: KARL RATH
IPC: H03G5/26
CPC classification number: H03G5/26
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公开(公告)号:US2244261A
公开(公告)日:1941-06-03
申请号:US25558639
申请日:1939-02-10
Applicant: RADIO PATENTS CORP
Inventor: KARL RATH
CPC classification number: H03D11/02 , H01J21/20 , H01J2893/003
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