72288673
Jan 12, 1968
Nov 12, 1968
INKING RIBBONS USED WITH BUSINESS MACHINES NAMELY, ADDING MACHINES, ACCOUNTING MACHINES, CALCULATING MACHINES, CASH REGISTERS, PRINTERS, TYPEWRITERS, CHECK WRITERS AND SIGNERS, AND THE LIKE; CARBON PAPER; AND REPRODUCTIVE TRANSFER OR COPY PAPER CONTAINING AN INKING MATERIAL
Environmental Control Apparatus