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公开(公告)号:US2241443A
公开(公告)日:1941-05-13
申请号:US22090838
申请日:1938-07-23
Applicant: BERRY JAMES D
Inventor: BERRY JAMES D
IPC: A47L1/08
CPC classification number: A47L1/08
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公开(公告)号:US2225101A
公开(公告)日:1940-12-17
申请号:US27241039
申请日:1939-05-08
Applicant: CONK CLARENCE H , REINBOLD JOHN I
Inventor: CONK CLARENCE H , REINBOLD JOHN I
IPC: A47L1/08
CPC classification number: A47L1/08
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公开(公告)号:US2030911A
公开(公告)日:1936-02-18
申请号:US70165333
申请日:1933-12-09
Applicant: BORDEN CHARLES R C
Inventor: BORDEN CHARLES R C
IPC: A47L1/08
CPC classification number: A47L1/08
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公开(公告)号:US1952477A
公开(公告)日:1934-03-27
申请号:US53558131
申请日:1931-05-07
Applicant: MARVEL WINDOW CLEANER INC
Inventor: STICH CHARLES F
IPC: A47L1/08
CPC classification number: A47L1/08
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公开(公告)号:US1887447A
公开(公告)日:1932-11-08
申请号:US63363532
申请日:1932-09-17
Applicant: WILLIAM J WESSELER
Inventor: BALINGER LEE O
IPC: A47L1/08
CPC classification number: A47L1/08
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公开(公告)号:US1778121A
公开(公告)日:1930-10-14
申请号:US29227028
申请日:1928-07-12
Applicant: WILLIAM GORDON DOING BUSINESS
Inventor: PAULL ELDRED H
IPC: A47L1/08
CPC classification number: A47L1/08
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公开(公告)号:US1761499A
公开(公告)日:1930-06-03
申请号:US34759329
申请日:1929-03-16
Applicant: SOMMERFIELD GEORGE H
Inventor: SOMMERFIELD GEORGE H
IPC: A47L1/08
CPC classification number: A47L1/08
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公开(公告)号:US1715907A
公开(公告)日:1929-06-04
申请号:US27661628
申请日:1928-05-10
Applicant: DRAGELIN JOEL G
Inventor: DRAGELIN JOEL G
IPC: A47L1/08
CPC classification number: A47L1/08
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公开(公告)号:US1612913A
公开(公告)日:1927-01-04
申请号:US9726926
申请日:1926-03-25
Applicant: JOHN GERKEN
Inventor: JOHN GERKEN
IPC: A47L1/08
CPC classification number: A47L1/08
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公开(公告)号:US1538961A
公开(公告)日:1925-05-26
申请号:US74616024
申请日:1924-10-27
Applicant: TORBERT CHARLES W
Inventor: TORBERT CHARLES W
CPC classification number: B05B1/14 , A47L1/08 , B05C17/002
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