United States Patent RE28236

Publication Date:
11/12/1974
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Primary Class:
36/87
Other Classes:
36/32R, 523/167
International Classes:
A43B1/10; A43B13/04; B29D31/505; B29D31/518; C08L25/06; C08L53/02; A43B1/00; A43B13/02; B29D31/50; C08L25/00; C08L53/00