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公开(公告)号:CA331757A
公开(公告)日:1933-04-11
申请号:CA331757D
Applicant: HOWARD D COLMAN
Inventor: LILJA EDGAR D , STEWART DUNCAN J
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公开(公告)号:CA368697A
公开(公告)日:1937-09-14
申请号:CA368697D
Applicant: HOWARD D COLMAN
Inventor: STEWART DUNCAN J
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公开(公告)号:CA336027A
公开(公告)日:1933-09-26
申请号:CA336027D
Applicant: HOWARD D COLMAN
Inventor: COLLINS HAROLD F
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公开(公告)号:CA364663A
公开(公告)日:1937-03-09
申请号:CA364663D
Applicant: HOWARD D COLMAN
Inventor: STEWART DUNCAN J
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公开(公告)号:CA324855A
公开(公告)日:1932-08-02
申请号:CA324855D
Applicant: HOWARD D COLMAN
Inventor: LILJA EDGAR D
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公开(公告)号:US2123182A
公开(公告)日:1938-07-12
申请号:US71692734
申请日:1934-03-23
Applicant: HOWARD D COLMAN
Inventor: FORREST DRAKE GEORGE
IPC: H02P23/00
CPC classification number: H02P23/24
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公开(公告)号:US2092753A
公开(公告)日:1937-09-14
申请号:US64218232
申请日:1932-11-11
Applicant: HOWARD D COLMAN
Inventor: DEWEY RITCHIE P
IPC: G05D23/275
CPC classification number: G05D23/2754
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公开(公告)号:US2039300A
公开(公告)日:1936-05-05
申请号:US59571832
申请日:1932-02-29
Applicant: HOWARD D COLMAN
Inventor: FORREST DRAKE GEORGE
IPC: F24D19/10
CPC classification number: F24D19/1084
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公开(公告)号:US1949968A
公开(公告)日:1934-03-06
申请号:US61553532
申请日:1932-06-06
Applicant: HOWARD D COLMAN
Inventor: LILJA EDGAR D
IPC: H02K17/10
CPC classification number: H02K17/10
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公开(公告)号:US1944699A
公开(公告)日:1934-01-23
申请号:US45578730
申请日:1930-05-26
Applicant: HOWARD D COLMAN
Inventor: STEWART DUNCAN J
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