Polytechnic Data Corporation Trademarks
SYSTEM PDC
Filed: April 30, 1982
Micro-Computers Attachable to Copying Machines Used to Control, Analyze, and Allocate Copying Costs
Owned by: Polytechnic Data Corporation
Serial Number: 73362448
POLYTECH
Filed: May 27, 1982
Photo Copying Control and Counting Units Attachable to Copying Machines for Controlling Operability Thereof
Owned by: Polytechnic Data Corporation
Serial Number: 73366921
