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公开(公告)号:US1998884A
公开(公告)日:1935-04-23
申请号:US51493131
申请日:1931-02-11
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROCKWOOD JR GEORGE H , LODGE WILLIAM B
IPC: H01J17/04
CPC classification number: H01J17/04
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公开(公告)号:US2269603A
公开(公告)日:1942-01-13
申请号:US29377739
申请日:1939-09-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROCKWOOD JR GEORGE H
IPC: H04Q1/20
CPC classification number: H04Q1/20
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公开(公告)号:US2098310A
公开(公告)日:1937-11-09
申请号:US4406235
申请日:1935-10-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROCKWOOD JR GEORGE H
IPC: H01J17/04
CPC classification number: H01J17/04
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公开(公告)号:US2068351A
公开(公告)日:1937-01-19
申请号:US7601236
申请日:1936-04-23
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROCKWOOD JR GEORGE H
IPC: H02M7/15
CPC classification number: H02M7/151 , Y10T307/625
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公开(公告)号:US2061255A
公开(公告)日:1936-11-17
申请号:US74663134
申请日:1934-10-03
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROCKWOOD JR GEORGE H
IPC: H01J17/56
CPC classification number: H01J17/56
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公开(公告)号:US2421760A
公开(公告)日:1947-06-10
申请号:US53091744
申请日:1944-04-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROCKWOOD JR GEORGE H
IPC: H03K3/55 , H03K17/288
CPC classification number: H03K17/288 , H03K3/55
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公开(公告)号:US2184756A
公开(公告)日:1939-12-26
申请号:US18696238
申请日:1938-01-26
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROCKWOOD JR GEORGE H
IPC: H01J17/30
CPC classification number: H01J17/30
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公开(公告)号:US2061254A
公开(公告)日:1936-11-17
申请号:US74663034
申请日:1934-10-03
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROCKWOOD JR GEORGE H
IPC: H01J17/56
CPC classification number: H01J17/56
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公开(公告)号:US2607901A
公开(公告)日:1952-08-19
申请号:US71956246
申请日:1946-12-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROCKWOOD JR GEORGE H , VANCE ROBERT L
IPC: H01J17/24
CPC classification number: H01J17/24
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公开(公告)号:US2188159A
公开(公告)日:1940-01-23
申请号:US17125037
申请日:1937-10-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: ROCKWOOD JR GEORGE H
IPC: H03K17/52
CPC classification number: H03K17/52 , Y10T307/878
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