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公开(公告)号:US2502339A
公开(公告)日:1950-03-28
申请号:US78252847
申请日:1947-10-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: PERREAULT GEORGE E
IPC: H01H51/34
CPC classification number: H01H51/34
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公开(公告)号:US2889424A
公开(公告)日:1959-06-02
申请号:US70639757
申请日:1957-12-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: GLORE ROBERT F , HOVGAARD OLE M , PERREAULT GEORGE E
IPC: H01H51/28
CPC classification number: H01H51/281
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公开(公告)号:US2181707A
公开(公告)日:1939-11-28
申请号:US19542938
申请日:1938-03-12
Applicant: BELL TELEPHONE LABOR INC
Inventor: PERREAULT GEORGE E
IPC: G11B5/187
CPC classification number: G11B5/187 , Y10T29/49078
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公开(公告)号:US2065907A
公开(公告)日:1936-12-29
申请号:US72270734
申请日:1934-04-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: PERREAULT GEORGE E
IPC: H04N5/66
CPC classification number: H04N5/66
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公开(公告)号:US3439302A
公开(公告)日:1969-04-15
申请号:US3439302D
申请日:1962-11-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: PERREAULT GEORGE E
CPC classification number: H01H51/281
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公开(公告)号:US3436698A
公开(公告)日:1969-04-01
申请号:US3436698D
申请日:1967-03-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: PERREAULT GEORGE E
CPC classification number: H01H51/281
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公开(公告)号:US3015707A
公开(公告)日:1962-01-02
申请号:US69746557
申请日:1957-11-19
Applicant: BELL TELEPHONE LABOR INC
Inventor: PERREAULT GEORGE E
IPC: H01H51/28
CPC classification number: H01H51/284
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公开(公告)号:US2017130A
公开(公告)日:1935-10-15
申请号:US71911934
申请日:1934-04-05
Applicant: BELL TELEPHONE LABOR INC
Inventor: PERREAULT GEORGE E
IPC: H04N5/66
CPC classification number: H04N5/66
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公开(公告)号:US1831391A
公开(公告)日:1931-11-10
申请号:US52738331
申请日:1931-04-03
Applicant: BELL TELEPHONE LABOR INC
Inventor: PERREAULT GEORGE E
IPC: H04M1/04
CPC classification number: H04M1/04
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