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公开(公告)号:US1933527A
公开(公告)日:1933-10-31
申请号:US60896532
申请日:1932-05-03
Applicant: HARTFORD EMPIRE CO
Inventor: WADMAN HAROLD A
IPC: C03B5/027
CPC classification number: C03B5/027
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公开(公告)号:US1880542A
公开(公告)日:1932-10-04
申请号:US50300430
申请日:1930-12-17
Applicant: HARTFORD EMPIRE CO
Inventor: WADMAN HAROLD A , MCINTOSH HAROLD W
IPC: G05D23/20
CPC classification number: G05D23/2039
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公开(公告)号:US1825985A
公开(公告)日:1931-10-06
申请号:US32906528
申请日:1928-12-28
Applicant: HARTFORD EMPIRE CO
Inventor: WADMAN HAROLD A
IPC: C03B9/16
CPC classification number: C03B9/165
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公开(公告)号:US1809996A
公开(公告)日:1931-06-16
申请号:US32815228
申请日:1928-12-24
Applicant: HARTFORD EMPIRE CO
Inventor: WADMAN HAROLD A
IPC: C03B25/06
CPC classification number: C03B25/06
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公开(公告)号:US1807054A
公开(公告)日:1931-05-26
申请号:US32008628
申请日:1928-11-17
Applicant: HARTFORD EMPIRE CO
Inventor: WADMAN HAROLD A
IPC: C03B3/02
CPC classification number: C03B3/02
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26.
公开(公告)号:US1802991A
公开(公告)日:1931-04-28
申请号:US36853129
申请日:1929-06-05
Applicant: HARTFORD EMPIRE CO
Inventor: WADMAN HAROLD A
IPC: G05D23/275
CPC classification number: G05D23/27541
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公开(公告)号:US2253155A
公开(公告)日:1941-08-19
申请号:US26434039
申请日:1939-03-27
Applicant: HARTFORD EMPIRE CO
Inventor: WADMAN HAROLD A , SMITH ALGY J
IPC: C03B35/12
CPC classification number: C03B35/12
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公开(公告)号:US2084285A
公开(公告)日:1937-06-15
申请号:US2966835
申请日:1935-07-03
Applicant: HARTFORD EMPIRE CO
Inventor: WADMAN HAROLD A
IPC: C03B9/18
CPC classification number: C03B9/18
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公开(公告)号:US2079566A
公开(公告)日:1937-05-04
申请号:US62871332
申请日:1932-08-13
Applicant: HARTFORD EMPIRE CO
Inventor: WADMAN HAROLD A
IPC: G05D23/275
CPC classification number: G05D23/27541
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30.
公开(公告)号:US2066283A
公开(公告)日:1936-12-29
申请号:US5068435
申请日:1935-11-20
Applicant: HARTFORD EMPIRE CO
Inventor: WADMAN HAROLD A
IPC: C03B25/06
CPC classification number: C03B25/06
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