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公开(公告)号:US1971226A
公开(公告)日:1934-08-21
申请号:US69137133
申请日:1933-09-28
Applicant: DRAPER CORP
Inventor: VERNER LINDSJO
IPC: D03D49/52
CPC classification number: D03D49/52
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公开(公告)号:US1874555A
公开(公告)日:1932-08-30
申请号:US56744731
申请日:1931-10-07
Applicant: DRAPER CORP
Inventor: VERNER LINDSJO
IPC: D03D49/68
CPC classification number: D03D49/68
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公开(公告)号:US1892062A
公开(公告)日:1932-12-27
申请号:US56545731
申请日:1931-09-28
Applicant: DRAPER CORP
Inventor: VERNER LINDSJO
IPC: D03D49/58
CPC classification number: D03D49/58
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公开(公告)号:US1850304A
公开(公告)日:1932-03-22
申请号:US52345531
申请日:1931-03-18
Applicant: DRAPER CORP
Inventor: VERNER LINDSJO
IPC: D03D45/34
CPC classification number: D03D45/34
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公开(公告)号:US1785224A
公开(公告)日:1930-12-16
申请号:US44223230
申请日:1930-04-07
Applicant: DRAPER CORP
Inventor: VERNER LINDSJO
IPC: D03J5/24
CPC classification number: D03J5/24
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公开(公告)号:US1963916A
公开(公告)日:1934-06-19
申请号:US69137233
申请日:1933-09-28
Applicant: DRAPER CORP
Inventor: VERNER LINDSJO
IPC: D03D45/20
CPC classification number: D03D45/20
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公开(公告)号:US1880096A
公开(公告)日:1932-09-27
申请号:US56577131
申请日:1931-09-29
Applicant: DRAPER CORP
Inventor: VERNER LINDSJO
IPC: D03D49/38
CPC classification number: D03D49/38
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公开(公告)号:US1853985A
公开(公告)日:1932-04-12
申请号:US51358931
申请日:1931-02-05
Applicant: DRAPER CORP
Inventor: VERNER LINDSJO
IPC: D03C1/14
CPC classification number: D03C1/14 , D03C2700/0183
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公开(公告)号:US1802820A
公开(公告)日:1931-04-28
申请号:US40791629
申请日:1929-11-18
Applicant: DRAPER CORP
Inventor: VERNER LINDSJO
IPC: D03D51/00
CPC classification number: D03D51/40 , D03D51/085 , D03D2700/26
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公开(公告)号:US2009893A
公开(公告)日:1935-07-30
申请号:US88135
申请日:1935-01-08
Applicant: DRAPER CORP
Inventor: VERNER LINDSJO
IPC: D03D51/00
CPC classification number: D03D51/38 , D03D2700/26
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