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公开(公告)号:US2185252A
公开(公告)日:1940-01-02
申请号:US13154837
申请日:1937-03-18
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W , LANDIS DANIEL O
IPC: G03B31/02
CPC classification number: G03B31/02 , Y10S362/803
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公开(公告)号:US2173230A
公开(公告)日:1939-09-19
申请号:US11508036
申请日:1936-12-10
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: G03B1/22
CPC classification number: G03B1/22
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公开(公告)号:US2139235A
公开(公告)日:1938-12-06
申请号:US62178732
申请日:1932-07-11
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
CPC classification number: G11B7/00
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公开(公告)号:US2092882A
公开(公告)日:1937-09-14
申请号:US70439933
申请日:1933-12-29
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: G03B1/12
CPC classification number: G03B1/12
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公开(公告)号:US2635194A
公开(公告)日:1953-04-14
申请号:US9581849
申请日:1949-05-27
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W , SACHTLEBEN LAWRENCE T , PRICE JAMES F
CPC classification number: G01N21/9027 , G01N2033/0081
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公开(公告)号:US2468205A
公开(公告)日:1949-04-26
申请号:US71945246
申请日:1946-12-31
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: H03G7/02
CPC classification number: H03G7/02
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公开(公告)号:US2463778A
公开(公告)日:1949-03-08
申请号:US51438943
申请日:1943-12-15
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: H05K9/00
CPC classification number: H05K9/002
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公开(公告)号:US2364723A
公开(公告)日:1944-12-12
申请号:US50993243
申请日:1943-11-11
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: H03G3/20
CPC classification number: H03G3/20
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公开(公告)号:US2357661A
公开(公告)日:1944-09-05
申请号:US41491441
申请日:1941-10-14
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: H03G3/00
CPC classification number: H03G3/00
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