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公开(公告)号：US1702568A
公开(公告)日：1929-02-19
申请号：US23577127
申请日：1927-11-26
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARRISON WARREN A
IPC: H03B5/30
CPC classification number: H03B5/30
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公开(公告)号：US1919796A
公开(公告)日：1933-07-25
申请号：US44827130
申请日：1930-04-29
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARRISON WARREN A
IPC: H03H9/17
CPC classification number: H03H9/17
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公开(公告)号：US1918977A
公开(公告)日：1933-07-18
申请号：US45958030
申请日：1930-06-06
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARRISON WARREN A
IPC: H02K11/00
CPC classification number: H02K11/0094 , H02K11/22 , H02K11/33
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公开(公告)号：US1907426A
公开(公告)日：1933-05-09
申请号：US49266930
申请日：1930-11-01
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARRISON WARREN A
IPC: H03H9/19
CPC classification number: H03H9/19
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公开(公告)号：US1907425A
公开(公告)日：1933-05-09
申请号：US32701728
申请日：1928-12-19
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARRISON WARREN A
CPC classification number: H03H9/0504 , H03H9/19 , H03H9/56
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Patent Agency Ranking
公开(公告)号：US1881810A
公开(公告)日：1932-10-11
申请号：US25678328
申请日：1928-02-24
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARRISON WARREN A
IPC: G04C15/00
CPC classification number: G04C15/0072 , Y10T307/615
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公开(公告)号：US1860936A
公开(公告)日：1932-05-31
申请号：US45427630
申请日：1930-05-21
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARRISON WARREN A , HORTON JOSEPH W
IPC: H04N5/04
CPC classification number: H04N5/04 , Y10S388/933 , Y10T307/664
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公开(公告)号：US2564439A
公开(公告)日：1951-08-14
申请号：US70659146
申请日：1946-10-30
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARRISON WARREN A
IPC: H02J3/08
CPC classification number: H02J3/08 , Y10T307/735
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公开(公告)号：US2522291A
公开(公告)日：1950-09-12
申请号：US61763145
申请日：1945-09-20
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARRISON WARREN A
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公开(公告)号：US2504340A
公开(公告)日：1950-04-18
申请号：US51619943
申请日：1943-12-30
Applicant: BELL TELEPHONE LABOR INC
Inventor： MARRISON WARREN A
IPC: H02P29/00
CPC classification number: H02P29/0022 , Y10S388/932
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