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公开(公告)号:US2139925A
公开(公告)日:1938-12-13
申请号:US9506936
申请日:1936-08-10
Applicant: ALTORFER ALPHEUS W
Inventor: ALTORFER ALPHEUS W
IPC: D06F13/00
CPC classification number: D06F13/00
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公开(公告)号:US1994741A
公开(公告)日:1935-03-19
申请号:US68109633
申请日:1933-07-19
Applicant: ALTORFER ALPHEUS W
Inventor: ALTORFER ALPHEUS W
IPC: D06F13/00
CPC classification number: D06F13/00
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13.
公开(公告)号:US1962471A
公开(公告)日:1934-06-12
申请号:US63661832
申请日:1932-10-07
Applicant: ALTORFER ALPHEUS W
Inventor: ALTORFER ALPHEUS W
IPC: D06F45/18
CPC classification number: D06F45/18
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公开(公告)号:US1269573A
公开(公告)日:1918-06-18
申请号:US1914818887
申请日:1914-02-16
Applicant: ALTORFER ALPHEUS W
Inventor: ALTORFER ALPHEUS W
CPC classification number: D06F13/02 , Y10T74/1848 , Y10T74/19575
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公开(公告)号:US2385769A
公开(公告)日:1945-10-02
申请号:US64184732
申请日:1932-11-09
Applicant: ALTORFER ALPHEUS W
Inventor: ALTORFER ALPHEUS W
IPC: D06F45/18
CPC classification number: D06F45/18
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公开(公告)号:US2181255A
公开(公告)日:1939-11-28
申请号:US8790936
申请日:1936-06-29
Applicant: ALTORFER ALPHEUS W
Inventor: ALTORFER ALPHEUS W
IPC: D06F45/04
CPC classification number: D06F45/04
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公开(公告)号:US2128979A
公开(公告)日:1938-09-06
申请号:US5213935
申请日:1935-11-29
Applicant: ALTORFER ALPHEUS W
Inventor: ALTORFER ALPHEUS W
IPC: D06F37/30
CPC classification number: D06F37/30
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公开(公告)号:US1985273A
公开(公告)日:1934-12-25
申请号:US61198232
申请日:1932-05-18
Applicant: ALTORFER ALPHEUS W
Inventor: ALTORFER ALPHEUS W
IPC: D06F45/12
CPC classification number: D06F45/12 , Y10T74/18504 , Y10T74/2186
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公开(公告)号:US1879004A
公开(公告)日:1932-09-27
申请号:US49115030
申请日:1930-10-25
Applicant: ALTORFER ALPHEUS W
Inventor: ALTORFER ALPHEUS W
IPC: A47B77/12
CPC classification number: A47B77/12
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公开(公告)号:US1754252A
公开(公告)日:1930-04-15
申请号:US28771328
申请日:1928-06-23
Applicant: ALTORFER ALPHEUS W
Inventor: ALTORFER ALPHEUS W
IPC: D06F49/06
CPC classification number: D06F49/06 , Y10T74/2115
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