CA648053A - Acoustical tile - Google Patents

Acoustical tile

Info

Publication number
CA648053A
CA648053A CA648053A CA648053DA CA648053A CA 648053 A CA648053 A CA 648053A CA 648053 A CA648053 A CA 648053A CA 648053D A CA648053D A CA 648053DA CA 648053 A CA648053 A CA 648053A
Authority
CA
Canada
Prior art keywords
acoustical tile
acoustical
tile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA648053A
Inventor
B. Doherty John
J. Hickey Lawrence
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ingredion Inc
Original Assignee
National Starch and Chemical Corp
Publication date
Application granted granted Critical
Publication of CA648053A publication Critical patent/CA648053A/en
Expired legal-status Critical Current

Links

CA648053A Acoustical tile Expired CA648053A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA648053T

Publications (1)

Publication Number Publication Date
CA648053A true CA648053A (en) 1962-09-04

Family

ID=35936701

Family Applications (1)

Application Number Title Priority Date Filing Date
CA648053A Expired CA648053A (en) Acoustical tile

Country Status (1)

Country Link
CA (1) CA648053A (en)

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