Exhaust muffler
United States Patent 3159237

Inventors:
Thomas, Dean G.
Publication Date:
12/01/1964
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Assignee:
NELSON MUFFLER CORP
Primary Class:
181/252
International Classes:
F01N1/24; F01N3/022; F01N3/033
US Patent References:
2434775Process for making foamlike mass of metal
2523260Baffle type muffler with refractory lining
2553016Foamlike metal
2576610Restricter
2633703Multiple tail pipe jet
2661238Impregnated metal and method of producing same
2751289Method of producing metal foam
Foreign References:
FR615147A
FR961667A