Abrasive article and method of making
United States Patent 2431035
Inventors:
Goepfert, George J.
Buell, Halsey W.
Publication Date:
11/18/1947
Other Classes:
428/530, 428/60, 524/597, 156/304.500, 156/258, 156/137, 525/518, 51/297
International Classes:
B24D11/06; B24D11/00