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公开(公告)号：US2334004A
公开(公告)日：1943-11-09
申请号：US43123042
申请日：1942-02-17
Applicant: RCA CORP
Inventor： CARL HERZOG
IPC: H01J9/46
CPC classification number: H01J9/46 , H01J2893/0096 , H01J2893/0097 , Y10T29/49069 , Y10T29/53196 , Y10T29/53483
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公开(公告)号：US2259785A
公开(公告)日：1941-10-21
申请号：US29696239
申请日：1939-09-28
Applicant: HERCULES POWDER CO LTD
Inventor： JOSEPH STUART
IPC: H01J9/46
CPC classification number: H01J9/46 , H01J2893/0096 , H01J2893/0097
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公开(公告)号：US2252561A
公开(公告)日：1941-08-12
申请号：US35735340
申请日：1940-09-19
Applicant: RCA CORP
Inventor： ENGEL WILLIAM T
IPC: H01J9/46
CPC classification number: H01J9/46 , H01J2893/0096 , H01J2893/0097
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公开(公告)号：US2046394A
公开(公告)日：1936-07-07
申请号：US65401433
申请日：1933-01-28
Applicant: WESTINGHOUSE LAMP CO
Inventor： LINDEGAARD ERIK C
IPC: H01J9/46
CPC classification number: H01J9/46 , H01J2893/0096 , H01J2893/0097 , Y10S209/933
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