QCM
Filed: July 12, 1972
COMPUTER PROGRAMS
Owned by: DUQUESNE SYSTEMS, INC.
Serial Number: 72429739
SDSI
Filed: September 21, 1978
Prerecorded Computer Programs
Owned by: DUQUESNE SYSTEMS, INC.
Serial Number: 73186472
GCD
Filed: January 8, 1981
Prerecorded Computer Programs in the Form of Magnetic Tapes and Printed Manuals and Instructional Materials, Sold as a Unit…
Owned by: DUQUESNE SYSTEMS, INC.
Serial Number: 73292198
SUPERCONSOLE
Filed: January 18, 1982
Computer Programs Recorded on Tapes
Owned by: DUQUESNE SYSTEMS, INC.
Serial Number: 73346113
SCON
Filed: January 18, 1982
Computer Programs Recorded on Tapes
Owned by: DUQUESNE SYSTEMS, INC.
Serial Number: 73346114
CPO
Filed: May 10, 1984
Computer Programs Recorded on Tapes
Owned by: DUQUESNE SYSTEMS, INC.
Serial Number: 73479656
STX
Filed: January 5, 1987
COMPUTER PROGRAMS FOR COMMUNICATIONS BETWEEN DATA COMMUNICATIONS NETWORKS
Owned by: DUQUESNE SYSTEMS, INC.
Serial Number: 73638490
MULTI-IMAGE MANAGER
Filed: May 23, 1988
COMPUTER PROGRAMS AND MANUALS PROVIDED THEREWITH
Owned by: DUQUESNE SYSTEMS, INC.
Serial Number: 73729953
