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1.Manufacture of thermoplastic shoe stiffener material and shoe stiffener blanks 失效
Title translation: 制造热塑性鞋加强材料和鞋加强件坯料公开(公告)号:US1962603A
公开(公告)日:1934-06-12
申请号:US57892131
申请日:1931-12-04
Applicant: BECKWITH MFG CO
Inventor: LOVELL STANLEY P
IPC: A43B23/08
CPC classification number: A43B23/086
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公开(公告)号:US2346136A
公开(公告)日:1944-04-11
申请号:US41548641
申请日:1941-10-17
Applicant: BECKWITH MFG CO
Inventor: LOVELL STANLEY P , STRAW HARRY H
IPC: C08L1/28
CPC classification number: C08L1/28 , C08L2666/02
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公开(公告)号:US2186589A
公开(公告)日:1940-01-09
申请号:US14484337
申请日:1937-05-26
Applicant: BECKWITH MFG CO
Inventor: LOVELL STANLEY P
IPC: A43B23/08
CPC classification number: A43B23/081
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公开(公告)号:US2251252A
公开(公告)日:1941-07-29
申请号:US35634140
申请日:1940-09-11
Applicant: BECKWITH MFG CO
Inventor: LOVELL STANLEY P
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公开(公告)号:US2033727A
公开(公告)日:1936-03-10
申请号:US63788232
申请日:1932-10-15
Applicant: BECKWITH MFG CO
Inventor: MILLER HAROLD S , GOODWIN HOLLIS E , LOVELL STANLEY P
IPC: A43B23/08
CPC classification number: A43B23/086 , Y10T442/198 , Y10T442/2361 , Y10T442/2746
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公开(公告)号:US2373404A
公开(公告)日:1945-04-10
申请号:US38002641
申请日:1941-02-21
Applicant: BECKWITH MFG CO
Inventor: LOVELL STANLEY P , RUSSELL FRANK H
CPC classification number: A43B23/086 , Y10T428/31826
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公开(公告)号:US2285376A
公开(公告)日:1942-06-02
申请号:US33618740
申请日:1940-05-20
Applicant: BECKWITH MFG CO
Inventor: LOVELL STANLEY P
IPC: A41H5/00
CPC classification number: A41H5/00
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8.
公开(公告)号:US2217023A
公开(公告)日:1940-10-08
申请号:US16031637
申请日:1937-08-21
Applicant: BECKWITH MFG CO
Inventor: LOVELL STANLEY P
IPC: A43B23/08 , C09D101/18 , D06M15/07
CPC classification number: A43B23/086 , C09D101/18 , D06M15/07
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公开(公告)号:US2077121A
公开(公告)日:1937-04-13
申请号:US542335
申请日:1935-02-07
Applicant: BECKWITH MFG CO
Inventor: LOVELL STANLEY P
IPC: A43B23/02
CPC classification number: A43B23/0255 , A43B17/18 , A43B23/0235 , Y10S36/02
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公开(公告)号:US2067239A
公开(公告)日:1937-01-12
申请号:US70713934
申请日:1934-01-18
Applicant: BECKWITH MFG CO
Inventor: MAYO WINTHROP M , LOVELL STANLEY P
IPC: A43B23/08
CPC classification number: A43B23/086 , Y10T428/23986
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