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公开(公告)号:US1414551A
公开(公告)日:1922-05-02
申请号:US43021820
申请日:1920-12-13
Applicant: COFFIELD JAMES L
Inventor: COFFIELD JAMES L
IPC: D06F45/12
CPC classification number: D06F45/12 , Y10T74/1953
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公开(公告)号:US1939336A
公开(公告)日:1933-12-12
申请号:US49456430
申请日:1930-11-10
Applicant: COFFIELD JAMES L
Inventor: COFFIELD JAMES L
IPC: A62C13/74
CPC classification number: A62C13/74
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公开(公告)号:US1433259A
公开(公告)日:1922-10-24
申请号:US30061919
申请日:1919-05-29
Applicant: COFFIELD JAMES L
Inventor: COFFIELD JAMES L
IPC: F16D11/10
CPC classification number: F16D11/10 , Y10T74/18456
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公开(公告)号:US1280166A
公开(公告)日:1918-10-01
申请号:US22491918
申请日:1918-03-27
Applicant: COFFIELD JAMES L
Inventor: COFFIELD JAMES L
CPC classification number: D06F27/00
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公开(公告)号:US1758354A
公开(公告)日:1930-05-13
申请号:US27021628
申请日:1928-04-16
Applicant: COFFIELD JAMES L
Inventor: COFFIELD JAMES L
IPC: D06F13/06
CPC classification number: D06F13/06
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6.
公开(公告)号:US1338172A
公开(公告)日:1920-04-27
申请号:US30078119
申请日:1919-05-29
Applicant: COFFIELD JAMES L
Inventor: COFFIELD JAMES L
IPC: D06F39/08
CPC classification number: D06F39/083 , Y10T137/7039 , Y10T137/86276
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公开(公告)号:US1887013A
公开(公告)日:1932-11-08
申请号:US48830130
申请日:1930-10-13
Applicant: COFFIELD JAMES L
Inventor: COFFIELD JAMES L
IPC: A62C13/00
CPC classification number: A62C13/003
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公开(公告)号:US1648675A
公开(公告)日:1927-11-08
申请号:US62975923
申请日:1923-04-04
Applicant: COFFIELD JAMES L
Inventor: COFFIELD JAMES L
IPC: D06F37/36
CPC classification number: D06F37/36 , D06F2700/05 , Y10T74/18184
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公开(公告)号:US1378325A
公开(公告)日:1921-05-17
申请号:US24715918
申请日:1918-07-29
Applicant: COFFIELD JAMES L
Inventor: COFFIELD JAMES L
IPC: D06F45/26
CPC classification number: D06F45/26
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公开(公告)号:US1270379A
公开(公告)日:1918-06-25
申请号:US19563117
申请日:1917-10-09
Applicant: COFFIELD JAMES L
Inventor: COFFIELD JAMES L
CPC classification number: D06F45/12 , Y10T74/18456
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