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公开(公告)号:US2765421A
公开(公告)日:1956-10-02
申请号:US27059952
申请日:1952-02-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROBERTSON GEORGE H , WALSH EDWARD J
IPC: H01J23/50
CPC classification number: H01J23/50
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公开(公告)号:US3275881A
公开(公告)日:1966-09-27
申请号:US24744262
申请日:1962-12-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: HYNES ROGER P , WALSH EDWARD J
IPC: H01J31/04
CPC classification number: H01J31/04
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公开(公告)号:US2740068A
公开(公告)日:1956-03-27
申请号:US26373651
申请日:1951-12-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROBERTSON GEORGE H , WALSH EDWARD J
IPC: H01J23/30
CPC classification number: H01J23/30
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公开(公告)号:US2663818A
公开(公告)日:1953-12-22
申请号:US23176551
申请日:1951-06-15
Applicant: BELL TELEPHONE LABOR INC
Inventor: WALSH EDWARD J
IPC: H01J21/36
CPC classification number: H01J21/36
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公开(公告)号:US2534393A
公开(公告)日:1950-12-19
申请号:US4632048
申请日:1948-08-26
Applicant: BELL TELEPHONE LABOR INC
Inventor: WALSH EDWARD J
IPC: H01J21/36
CPC classification number: H01J21/36
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公开(公告)号:US2806169A
公开(公告)日:1957-09-10
申请号:US26373551
申请日:1951-12-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROBERTSON GEORGE H , WALSH EDWARD J
IPC: H01J25/38
CPC classification number: H01J25/38
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公开(公告)号:US2801360A
公开(公告)日:1957-07-30
申请号:US30595752
申请日:1952-08-23
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROBERTSON GEORGE H , WALSH EDWARD J
IPC: H01J25/38
CPC classification number: H01J25/38
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公开(公告)号:US2750529A
公开(公告)日:1956-06-12
申请号:US27617452
申请日:1952-03-12
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROBERTSON GEORGE H , WALSH EDWARD J
IPC: H01J23/30
CPC classification number: H01J23/30
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公开(公告)号:US2661029A
公开(公告)日:1953-12-01
申请号:US5557948
申请日:1948-10-20
Applicant: BELL TELEPHONE LABOR INC
Inventor: WALSH EDWARD J
IPC: H01J19/00
CPC classification number: H01J19/00 , H01J2893/0024
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公开(公告)号:US2634384A
公开(公告)日:1953-04-07
申请号:US19859850
申请日:1950-12-01
Applicant: BELL TELEPHONE LABOR INC
Inventor: FORD GAYLON T , WALSH EDWARD J
IPC: H01J21/06
CPC classification number: H01J21/065
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