Title:
CONCRETE INSULATION BLANKET
United States Patent 3420022
Inventors:
Brock, Wayne C.
Publication Date:
01/07/1969
Assignee:
Wayne, Brock C.
Other Classes:
52/309.9, 52/750, 428/76
International Classes:
E04G21/28; E04G21/24; (IPC1-7): E04B1/62; E04C2/04