CRITERION
Filed: August 6, 1981
Alumina-Zirconia-Silica Refractory
Owned by: API TECHNOLOGIES, INC.
Serial Number: 73322538
CERMA-DYNE
Filed: August 31, 1990
refractory shapes
Owned by: API TECHNOLOGIES, INC.
Serial Number: 74093966
TRUFORM
Filed: September 7, 1990
engineered refractory shapes
Owned by: API TECHNOLOGIES, INC.
Serial Number: 74094796
QUICKRAM
Filed: November 15, 1990
plastic refractory materials
Owned by: API TECHNOLOGIES, INC.
Serial Number: 74115707
GRAFLOK
Filed: April 17, 1992
graphite based refractories
Owned by: API TECHNOLOGIES, INC.
Serial Number: 74267423
SURE-FIRE
Filed: May 1, 1992
plastic refractories
Owned by: API TECHNOLOGIES, INC.
Serial Number: 74272148
SURESTOP
Filed: June 24, 1992
plastic refractory; namely, tap hole mix
Owned by: API TECHNOLOGIES, INC.
Serial Number: 74288602
