Title:
Grooved tile and method of cutting same to form discrete elements
United States Patent 3008256
Inventors:
Rice, Stanley E.
Publication Date:
11/14/1961
Assignee:
CAMBRIDGE TILE MFG COMPANY
Other Classes:
52/98, 156/265, 156/299, 428/167
International Classes:
E04F15/08; E04F15/08