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公开(公告)号:US1700683A
公开(公告)日:1929-01-29
申请号:US22362027
申请日:1927-10-03
Applicant: CURTIS COMPANIES INC
Inventor: SERN MADSEN
CPC classification number: B23D45/102 , B23D47/025 , B23Q1/28 , B27B5/20 , B27F1/005 , B27F5/02 , Y10T83/7697
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公开(公告)号:US2239173A
公开(公告)日:1941-04-22
申请号:US23212038
申请日:1938-09-28
Applicant: CURTIS COMPANIES INC
Inventor: SERN MADSEN
IPC: E06B3/28
CPC classification number: E06B3/28
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公开(公告)号:US2188053A
公开(公告)日:1940-01-23
申请号:US16050137
申请日:1937-08-23
Applicant: CURTIS COMPANIES INC
Inventor: SERN MADSEN
IPC: B25B5/14
CPC classification number: B25B5/142
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公开(公告)号:US2151219A
公开(公告)日:1939-03-21
申请号:US17969537
申请日:1937-12-14
Applicant: CURTIS COMPANIES INC
Inventor: SERN MADSEN
IPC: E05C5/00
CPC classification number: E05C5/00 , Y10T292/0915
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公开(公告)号:US2140842A
公开(公告)日:1938-12-20
申请号:US13638637
申请日:1937-04-12
Applicant: CURTIS COMPANIES INC
Inventor: SERN MADSEN
CPC classification number: F16G13/20 , E05F11/06 , E05Y2201/656 , E05Y2201/724 , Y10T74/20762 , Y10T292/283
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公开(公告)号:US2117489A
公开(公告)日:1938-05-17
申请号:US12645037
申请日:1937-02-18
Applicant: CURTIS COMPANIES INC
Inventor: SERN MADSEN
IPC: E04C2/14
CPC classification number: E04C2/14
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公开(公告)号:US1968496A
公开(公告)日:1934-07-31
申请号:US61303132
申请日:1932-05-23
Applicant: CURTIS COMPANIES INC
Inventor: SERN MADSEN
IPC: B27G13/10
CPC classification number: B27G13/10
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公开(公告)号:US1863908A
公开(公告)日:1932-06-21
申请号:US51502631
申请日:1931-02-11
Applicant: CURTIS COMPANIES INC
Inventor: SERN MADSEN
CPC classification number: B27M3/0026 , B23Q7/007 , Y10T83/659
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公开(公告)号:US1765343A
公开(公告)日:1930-06-17
申请号:US32960928
申请日:1928-12-31
Applicant: CURTIS COMPANIES INC
Inventor: SERN MADSEN
IPC: D06F81/06
CPC classification number: D06F81/06
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公开(公告)号:US2298578A
公开(公告)日:1942-10-13
申请号:US28619339
申请日:1939-07-24
Applicant: CURTIS COMPANIES INC
Inventor: SERN MADSEN
IPC: A47B13/08
CPC classification number: A47B13/083
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