Vented panel
United States Patent 3315585
US Patent References:
/0197543.html
- - 0197543

Spring cover
- - 1743293

Tank cover
- - 1902456

Vented acoustic panel
- - 3159090


Inventors:
Hawkins, Thomas V.
Schutt, Jerome W.
Publication Date:
04/25/1967
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Assignee:
AIRCOUSTIC COMPANY INC
Primary Class:
454/292
Other Classes:
251/299
International Classes:
E04B9/04; F24F7/00; F24F13/06