POLY-GRIT
Filed: June 17, 1963
Industrial Abrasive Powder for Blast Cleaning of Surfaces for Removing Materials Such as Rust, Scale and Paint
Owned by: MDC Industries, Inc.
Serial Number: 72171156
TRACTO-GRIT
Filed: August 26, 1963
MOISTURE-FREE, NON-POROUS, CAKE RESISTANT, FREE-FLOWING, MINERAL TRACTION GRAINS
Owned by: MDC Industries, Inc.
Serial Number: 72175773
BRITE-BLAST
Filed: February 15, 1980
Tumbling Additives-Namely, Surface Abrasive Media
Owned by: MDC Industries, Inc.
Serial Number: 73250400
PERMA-BLAST
Filed: February 25, 1980
Tumbling Additives-Namely, Surface Finishing Abrasives
Owned by: MDC Industries, Inc.
Serial Number: 73251481
TURBO-BLAST
Filed: February 25, 1980
Surface Finishing Abrasive Media for Use on Metal Surfaces-Namely, Tanks, Pipe, Bridges, Ships, Propellers and Turbines
Owned by: MDC Industries, Inc.
Serial Number: 73251482
