Title:
Non-slip structures
United States Patent 3030251
Inventors:
Bore, Leonard LA. J.
Dupre, Eugene J.
Publication Date:
04/17/1962
Assignee:
MINNESOTA MINING & MFG
Other Classes:
427/203, 428/326, 427/261, 156/279, 156/280, 427/393.500, 428/323, 428/206, 404/19, 428/903.300, 156/249, 427/413, 428/480
International Classes:
D06N7/00