Porter Precision Products Co. Trademarks
ZEROTEMP
Filed: December 9, 1981
Punches and Die Buttons for Machines
Owned by: Porter Precision Products Co.
Serial Number: 73340885
PORTER
Filed: July 25, 1983
Piercing and Extruding Punches, Die Buttons, Punch Retainers, Guide Bushings, Stripper Bushings and Strippers
Owned by: Porter Precision Products Co.
Serial Number: 73436065
