-
Concrete casting system
-
Patent number 5,755,982
-
Issue date May 26, 1998
-
Strickland Industries, Inc.
-
James K. Strickland
-
B28 - WORKING CEMENT, CLAY, OR STONE
-
-
Lined structure and liner
-
Patent number 5,383,311
-
Issue date Jan 24, 1995
-
Strickland Industries, Inc.
-
James K. Strickland
-
B28 - WORKING CEMENT, CLAY, OR STONE
-
Lined manhole assembly and liner
-
Patent number 5,303,518
-
Issue date Apr 19, 1994
-
Strickland Industries, Inc.
-
James K. Strickland
-
B28 - WORKING CEMENT, CLAY, OR STONE
-
Inside corner form
-
Patent number 5,230,907
-
Issue date Jul 27, 1993
-
Strickland Industries, Inc.
-
James Strickland
-
B28 - WORKING CEMENT, CLAY, OR STONE