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公开(公告)号:US2473181A
公开(公告)日:1949-06-14
申请号:US63601345
申请日:1945-12-19
Applicant: NAT LOCK CO
Inventor: STONE ROY A
IPC: E05C19/02
CPC classification number: E05C19/026 , Y10T292/0818
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公开(公告)号:US2439494A
公开(公告)日:1948-04-13
申请号:US52697544
申请日:1944-03-17
Applicant: NAT LOCK CO
Inventor: STONE ROY A
IPC: E06B3/38
CPC classification number: E06B3/385 , Y10T16/53833
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公开(公告)号:US2525971A
公开(公告)日:1950-10-17
申请号:US60650245
申请日:1945-07-23
Applicant: NAT LOCK CO
Inventor: STONE ROY A
IPC: A47B88/04
CPC classification number: A47B88/437 , Y10T16/381
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公开(公告)号:US2505592A
公开(公告)日:1950-04-25
申请号:US60650145
申请日:1945-07-23
Applicant: NAT LOCK CO
Inventor: STONE ROY A
CPC classification number: F24C15/16 , A47B88/437 , Y10T16/381
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公开(公告)号:US2440224A
公开(公告)日:1948-04-20
申请号:US58479645
申请日:1945-03-26
Applicant: NAT LOCK CO
Inventor: NORTH EDWIN W , STONE ROY A
IPC: A47D15/00
CPC classification number: A47D1/008
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公开(公告)号:US2689370A
公开(公告)日:1954-09-21
申请号:US11558049
申请日:1949-09-14
Applicant: NAT LOCK CO
Inventor: STONE ROY A
CPC classification number: E05D3/14 , Y10T16/5478
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公开(公告)号:US2561295A
公开(公告)日:1951-07-17
申请号:US75658747
申请日:1947-06-24
Applicant: NAT LOCK CO
Inventor: STONE ROY A
CPC classification number: E05B65/0823 , E05C3/124 , E05C3/14 , Y10T292/1061
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公开(公告)号:US2461936A
公开(公告)日:1949-02-15
申请号:US59780345
申请日:1945-06-06
Applicant: NAT LOCK CO
Inventor: STONE ROY A
IPC: A47G1/20
CPC classification number: A47G25/0607
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公开(公告)号:US2833583A
公开(公告)日:1958-05-06
申请号:US62096556
申请日:1956-11-07
Applicant: NAT LOCK CO
Inventor: STONE ROY A , ANDERSON RALPH F
IPC: E05C19/02
CPC classification number: E05C19/026 , Y10T292/0818 , Y10T292/68
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公开(公告)号:US2596827A
公开(公告)日:1952-05-13
申请号:US6678648
申请日:1948-12-22
Applicant: NAT LOCK CO
Inventor: STONE ROY A , WHITTOM ROBERT M
IPC: A47B95/04
CPC classification number: A47B95/04
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