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公开(公告)号:US1639062A
公开(公告)日:1927-08-16
申请号:US48618121
申请日:1921-07-20
Applicant: SPERRY DEV CO
Inventor: SPERRY ELMER A
IPC: F02F3/18
CPC classification number: F02F3/18
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公开(公告)号:US1627210A
公开(公告)日:1927-05-03
申请号:US44941221
申请日:1921-03-03
Applicant: SPERRY DEV CO
Inventor: SPERRY ELMER A
IPC: F02B3/00
CPC classification number: F02B3/00 , F02B2720/228
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公开(公告)号:US1519272A
公开(公告)日:1924-12-16
申请号:US29005919
申请日:1919-04-14
Applicant: SPERRY DEV CO
Inventor: SPERRY ELMER A
IPC: F01L3/14
CPC classification number: F01L3/14
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公开(公告)号:US1874714A
公开(公告)日:1932-08-30
申请号:US46389330
申请日:1930-06-26
Applicant: SPERRY DEV CO
Inventor: SPERRY ELMER A , PERRY WALTER M
IPC: B64C11/36
CPC classification number: B64C11/36
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公开(公告)号:US1867700A
公开(公告)日:1932-07-19
申请号:US5353725
申请日:1925-08-31
Applicant: SPERRY DEV CO
Inventor: LESTER JONES GEORGE
CPC classification number: F02B19/04 , F02M57/02 , F02M2700/078 , Y02T10/125
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公开(公告)号:US1867684A
公开(公告)日:1932-07-19
申请号:US28282028
申请日:1928-06-04
Applicant: SPERRY DEV CO
Inventor: SPERRY ELMER A
IPC: F16H33/02
CPC classification number: F16H33/02 , F16H2706/00 , Y10T74/2128
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公开(公告)号:US1867680A
公开(公告)日:1932-07-19
申请号:US19068827
申请日:1927-05-12
Applicant: SPERRY DEV CO
Inventor: SCHARNAGEL HERMAN J
IPC: F02B41/06
CPC classification number: F02B41/06
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公开(公告)号:US1771124A
公开(公告)日:1930-07-22
申请号:US7888726
申请日:1926-01-02
Applicant: SPERRY DEV CO
Inventor: JONES GEORGE L
IPC: F02D1/08
CPC classification number: F02D1/08
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公开(公告)号:US1751254A
公开(公告)日:1930-03-18
申请号:US56373522
申请日:1922-05-25
Applicant: SPERRY DEV CO
Inventor: SPERRY ELMER A
IPC: F02D7/00
CPC classification number: F02D7/005
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公开(公告)号:US1711703A
公开(公告)日:1929-05-07
申请号:US31219319
申请日:1919-07-21
Applicant: SPERRY DEV CO
Inventor: SPERRY ELMER A
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