Title:
Muffler with semi-chambers formed by reduced shell portions
Document Type and Number:
United States Patent 3371744

Inventors:
Straw, Eldred G.
      Plaque It!

Sponsored by:
Flash of Genius
Publication Date:
03/05/1968
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Assignee:
WALKER MFG CO
Primary Class:
181/250
International Classes:
F01N1/00; F01N1/06; F01N7/18
US Patent References:
1777489Gas-engine muffler
2241768Silencer construction
2367753Method of making mufflers and the like
3263772Sound attenuating gas conduit with one-quarter wave-length side branch chambers
Foreign References:
IT258890B




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