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41.
公开(公告)号:US3273363A
公开(公告)日:1966-09-20
申请号:US37059164
申请日:1964-05-27
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W , DAUENBAUGH ROBERT L
IPC: E05B37/00
CPC classification number: E05B37/00 , Y10T70/7407 , Y10T70/8378
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公开(公告)号:US3155410A
公开(公告)日:1964-11-03
申请号:US13566361
申请日:1961-09-01
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W , SPON CARROLL V
IPC: E05C17/36
CPC classification number: E05C17/365 , Y10T70/5164 , Y10T292/283
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公开(公告)号:US3101603A
公开(公告)日:1963-08-27
申请号:US12109461
申请日:1961-06-30
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W , SPON CARROLL V
IPC: E05C17/36
CPC classification number: E05C17/365 , Y10T70/5164 , Y10T292/283
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公开(公告)号:US2978267A
公开(公告)日:1961-04-04
申请号:US74278158
申请日:1958-06-18
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W , BATES WAYNE C
CPC classification number: E05C1/16 , E05B13/004 , Y10S292/38 , Y10T292/0982 , Y10T292/0989 , Y10T292/1028
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公开(公告)号:US2962319A
公开(公告)日:1960-11-29
申请号:US76675658
申请日:1958-10-13
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W , BATES WAYNE C
CPC classification number: E05C17/22 , E05C17/20 , Y10T16/61 , Y10T292/0817 , Y10T292/301
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公开(公告)号:US2853931A
公开(公告)日:1958-09-30
申请号:US42922654
申请日:1954-05-12
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W , UNTER ROBERT K
CPC classification number: F25D29/006 , E05B65/0053
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公开(公告)号:US2829913A
公开(公告)日:1958-04-08
申请号:US43765954
申请日:1954-06-18
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W , ERICKSON FRANCIS L
IPC: E05B55/00
CPC classification number: E05B55/005 , Y10T70/5447 , Y10T292/0986 , Y10T292/099
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公开(公告)号:US2739472A
公开(公告)日:1956-03-27
申请号:US43765854
申请日:1954-06-18
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W , ERICKSON FRANCIS L
IPC: E05B55/00
CPC classification number: E05B55/005 , Y10T70/5434 , Y10T292/0985 , Y10T292/0991
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公开(公告)号:US2210495A
公开(公告)日:1940-08-06
申请号:US19961738
申请日:1938-04-02
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W
IPC: E05B65/00
CPC classification number: E05B65/0042 , Y10S292/71 , Y10T292/0929 , Y10T292/0933 , Y10T292/1053 , Y10T292/1055 , Y10T292/1074
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公开(公告)号:US2136654A
公开(公告)日:1938-11-15
申请号:US65303133
申请日:1933-01-23
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W
IPC: E05B37/10
CPC classification number: E05B37/10 , Y10T70/424 , Y10T70/489 , Y10T70/7316
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