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公开(公告)号:US2156864A
公开(公告)日:1939-05-02
申请号:US17274337
申请日:1937-11-04
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
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公开(公告)号:US2114722A
公开(公告)日:1938-04-19
申请号:US15004437
申请日:1937-06-24
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: E06B1/38
CPC classification number: E06B1/38
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公开(公告)号:US2106900A
公开(公告)日:1938-02-01
申请号:US13923937
申请日:1937-04-27
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
CPC classification number: E06B3/2605 , E06B3/28 , E06B3/6205 , E06B2003/2615 , E06B2003/6247
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公开(公告)号:US2028917A
公开(公告)日:1936-01-28
申请号:US2343735
申请日:1935-05-25
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: B23Q7/16
CPC classification number: B23Q7/16
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公开(公告)号:US2021197A
公开(公告)日:1935-11-19
申请号:US71477934
申请日:1934-03-09
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: C03B23/025
CPC classification number: C03B23/0252
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公开(公告)号:US1999593A
公开(公告)日:1935-04-30
申请号:US69038333
申请日:1933-09-21
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: C03B33/023
CPC classification number: C03B33/023
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公开(公告)号:US1999586A
公开(公告)日:1935-04-30
申请号:US65009233
申请日:1933-01-04
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: FREDRICK BURDETT CLARENCE , WILLIAM OWEN
IPC: C03B33/023 , C03B33/12
CPC classification number: C03B33/0235 , B65G2249/04 , C03B33/12
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公开(公告)号:US1988565A
公开(公告)日:1935-01-22
申请号:US72042234
申请日:1934-04-13
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
CPC classification number: C03B33/04 , C03B33/12 , Y10T83/263 , Y10T225/325
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公开(公告)号:US1966869A
公开(公告)日:1934-07-17
申请号:US69939933
申请日:1933-11-23
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: B24B9/10
CPC classification number: B24B9/105
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公开(公告)号:US1930582A
公开(公告)日:1933-10-17
申请号:US47578830
申请日:1930-08-16
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: FREDERICK BURDETT CLARENCE , WILLIAM OWEN
IPC: C03B33/027 , C03B33/03 , C03B33/033 , C03B33/10
CPC classification number: C03B33/0235 , C03B33/027 , C03B33/03 , C03B33/033 , C03B33/10 , Y10T225/325 , Y10T225/343
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