Domestic appliance
United States Patent 3075258

Inventors:
Petkwitz, Carl F.
Publication Date:
01/29/1963
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Assignee:
GEN MOTORS CORP
Primary Class:
49/478.100
Other Classes:
49/496.100, 264/104
International Classes:
F16J15/53
US Patent References:
2982997Apparatus for making multiple-lip seals