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公开(公告)号:US1983715A
公开(公告)日:1934-12-11
申请号:US57034331
申请日:1931-10-22
Applicant: RCA CORP
Inventor: USSELMAN GEORGE L
IPC: H03C3/04
CPC classification number: H03C3/04
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公开(公告)号:US1876107A
公开(公告)日:1932-09-06
申请号:US31045728
申请日:1928-10-05
Applicant: RCA CORP
Inventor: USSELMAN GEORGE L
IPC: H03C1/52
CPC classification number: H03C1/52
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公开(公告)号:US1794932A
公开(公告)日:1931-03-03
申请号:US21687327
申请日:1927-09-01
Applicant: RCA CORP
Inventor: USSELMAN GEORGE L
IPC: H03D3/12
CPC classification number: H03D3/12
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74.Filament heating transformer having a variable output voltage 失效
Title translation: 具有可变输出电压的灯丝加热变压器公开(公告)号:US2598321A
公开(公告)日:1952-05-27
申请号:US2847748
申请日:1948-05-21
Applicant: RCA CORP
Inventor: USSELMAN GEORGE L
IPC: H01F29/10
CPC classification number: H01F29/10
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公开(公告)号:US2515677A
公开(公告)日:1950-07-18
申请号:US75010947
申请日:1947-05-23
Applicant: RCA CORP
Inventor: USSELMAN GEORGE L
IPC: H03F1/54
CPC classification number: H03F1/54
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公开(公告)号:US2507178A
公开(公告)日:1950-05-09
申请号:US68411846
申请日:1946-07-17
Applicant: RCA CORP
Inventor: USSELMAN GEORGE L
IPC: H03C1/60
CPC classification number: H03C1/60
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公开(公告)号:US2494321A
公开(公告)日:1950-01-10
申请号:US60179745
申请日:1945-06-27
Applicant: RCA CORP
Inventor: USSELMAN GEORGE L
IPC: H04L27/12
CPC classification number: H04L27/12
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公开(公告)号:US2461456A
公开(公告)日:1949-02-08
申请号:US52190744
申请日:1944-02-11
Applicant: RCA CORP
Inventor: USSELMAN GEORGE L
IPC: H04L27/12
CPC classification number: H04L27/12
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公开(公告)号:US2457288A
公开(公告)日:1948-12-28
申请号:US64606946
申请日:1946-02-07
Applicant: RCA CORP
Inventor: USSELMAN GEORGE L
IPC: H04L27/12
CPC classification number: H04L27/12
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公开(公告)号:US2440622A
公开(公告)日:1948-04-27
申请号:US60857545
申请日:1945-08-02
Applicant: RCA CORP
Inventor: USSELMAN GEORGE L
IPC: H03C3/14
CPC classification number: H03C3/14
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