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公开(公告)号:US1899260A
公开(公告)日:1933-02-28
申请号:US43747430
申请日:1930-03-20
Applicant: DRY ZERO CORP
Inventor: CLEMENTS ARTHUR L
IPC: D01G23/04
CPC classification number: D01G23/045
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2.Sound deadening and heat insulating material and method of making the same 失效
Title translation: 防声和隔热材料及其制作方法公开(公告)号:US1817086A
公开(公告)日:1931-08-04
申请号:US34600329
申请日:1929-03-11
Applicant: DRY ZERO CORP
Inventor: LINDSAY HARVEY B , CLEMENTS ARTHUR L
IPC: D21J1/00
CPC classification number: D21J1/00 , Y10T442/3715
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公开(公告)号:US2083219A
公开(公告)日:1937-06-08
申请号:US5181135
申请日:1935-11-27
Applicant: DRY ZERO CORP
Inventor: CLEMENTS ARTHUR L , EASTER NORMAN R
IPC: B31F5/06
CPC classification number: B31F5/06