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公开(公告)号:US1863530A
公开(公告)日:1932-06-14
申请号:US38391329
申请日:1929-08-06
Applicant: PROSPERITY CO INC
Inventor: BRAUN PHILIP N
IPC: D06F71/40
CPC classification number: D06F71/40
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公开(公告)号:US1817344A
公开(公告)日:1931-08-04
申请号:US26845028
申请日:1928-04-09
Applicant: PROSPERITY CO INC
Inventor: BRAUN PHILIP N
IPC: D06F71/40
CPC classification number: D06F71/40
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公开(公告)号:US1679019A
公开(公告)日:1928-07-31
申请号:US6225825
申请日:1925-10-13
Applicant: PROSPERITY CO INC
Inventor: BRAUN PHILIP N
IPC: D06F71/40
CPC classification number: D06F71/40
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公开(公告)号:US1671064A
公开(公告)日:1928-05-22
申请号:US58001922
申请日:1922-08-07
Applicant: PROSPERITY CO INC
Inventor: CLISSON ALBERT B , BRAUN PHILIP N
IPC: D06F71/04
CPC classification number: D06F71/04
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公开(公告)号:US1647501A
公开(公告)日:1927-11-01
申请号:US9039826
申请日:1926-02-24
Applicant: PROSPERITY CO INC
Inventor: BRAUN PHILIP N
IPC: D06F69/04
CPC classification number: D06F69/04
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