Title:
Surfacing material
United States Patent 2515847
Inventors:
Winkler, Carl W.
Publication Date:
07/18/1950
Assignee:
Winkler, Carl W.
Other Classes:
473/171, 428/95, 273/DIG.013, 428/91, 404/32, 428/96, 404/2, 404/35
International Classes:
E01C13/08