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公开(公告)号:US1821712A
公开(公告)日:1931-09-01
申请号:US46365430
申请日:1930-06-25
Applicant: HUDSON CHARLES E
Inventor: HUDSON CHARLES E
IPC: A63H33/40
CPC classification number: A63H33/40
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公开(公告)号:US1816229A
公开(公告)日:1931-07-28
申请号:US44031830
申请日:1930-03-31
Applicant: MORTIMER MORTON
Inventor: MORTIMER MORTON
IPC: A63H33/40
CPC classification number: A63H33/40
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公开(公告)号:US1789198A
公开(公告)日:1931-01-13
申请号:US48760530
申请日:1930-10-09
Applicant: SEARCY HUBERT A
Inventor: SEARCY HUBERT A
IPC: A63H33/40
CPC classification number: A63H33/40
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公开(公告)号:US1784988A
公开(公告)日:1930-12-16
申请号:US45039830
申请日:1930-05-07
Applicant: CHRISTOPHER STRASSHEIM
Inventor: HAWES CHARLES L
IPC: A63H33/40
CPC classification number: A63H33/40
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公开(公告)号:US1778384A
公开(公告)日:1930-10-14
申请号:US35300429
申请日:1929-04-06
Applicant: GOODRUM THOMAS J
Inventor: GOODRUM THOMAS J
IPC: A63H33/40
CPC classification number: A63H33/40
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公开(公告)号:US1774919A
公开(公告)日:1930-09-02
申请号:US30590728
申请日:1928-09-14
Applicant: HAWES CHARLES L
Inventor: HAWES CHARLES L
IPC: A63H33/40
CPC classification number: A63H33/40
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公开(公告)号:US1769784A
公开(公告)日:1930-07-01
申请号:US30746028
申请日:1928-09-21
Applicant: BASTIAN BROS COMPANY
Inventor: HOPPE ROBERT A
IPC: A63H33/40
CPC classification number: A63H33/40
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公开(公告)号:US1738846A
公开(公告)日:1929-12-10
申请号:US26072328
申请日:1928-03-10
Applicant: AURELIO SANCIONI
Inventor: AURELIO SANCIONI
IPC: A63H33/40
CPC classification number: A63H33/40
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公开(公告)号:US1675141A
公开(公告)日:1928-06-26
申请号:US11041026
申请日:1926-05-20
Applicant: SCHOLL WILLIAM J
Inventor: SCHOLL WILLIAM J
IPC: A63H33/40
CPC classification number: A63H33/40
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公开(公告)号:US1635937A
公开(公告)日:1927-07-12
申请号:US13825126
申请日:1926-09-28
Applicant: STANLEY GRILLO , JOSEPH GUERRA
Inventor: STANLEY GRILLO , JOSEPH GUERRA
IPC: A63H33/40
CPC classification number: A63H33/40
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