Apparatus for attenuating sound waves in gas streams and method of producing same
United States Patent 3276540
US Patent References:
Muffler
- - 1878424

Muffler
- - 2112964

Silencer
- - 2147015

Sound attenuating gas pipe
- - 3104735


Inventors:
Crouse, Glenn R.
Publication Date:
10/04/1966
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Assignee:
OLDBERG MFG COMPANY
Primary Class:
181/227
Other Classes:
29/890.080, 181/276
International Classes:
F01N1/00; F01N7/18; F01N7/02; F01N7/00