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1.
公开(公告)号:US2508222A
公开(公告)日:1950-05-16
申请号:US3582748
申请日:1948-06-29
Applicant: HARTFORD EMPIRE CO
Inventor: CANNON JR MADISON M
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2.
公开(公告)号:US2467809A
公开(公告)日:1949-04-19
申请号:US52245644
申请日:1944-02-15
Applicant: HARTFORD EMPIRE CO
Inventor: CANNON JR MADISON M , PEILER KARL E
IPC: C03B5/187
CPC classification number: C03B5/1875
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公开(公告)号:US2246461A
公开(公告)日:1941-06-17
申请号:US22661838
申请日:1938-08-25
Applicant: HARTFORD EMPIRE CO
Inventor: CANNON JR MADISON M
IPC: C03B7/086
CPC classification number: C03B7/086
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公开(公告)号:US2483333A
公开(公告)日:1949-09-27
申请号:US65600046
申请日:1946-03-21
Applicant: HARTFORD EMPIRE CO
Inventor: CANNON JR MADISON M , LIGHT JOHN S
CPC classification number: C03B5/245 , G01F23/245
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公开(公告)号:US2230609A
公开(公告)日:1941-02-04
申请号:US24872738
申请日:1938-12-31
Applicant: HARTFORD EMPIRE CO
Inventor: CANNON JR MADISON M
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