PROFESSIONAL KNOWLEDGE SYSTEMS, INC. Trademarks
EXPERT EXPRESS
Filed: March 13, 1989
COMPUTER PROGRAMS IN THE NATURE OF EXPERT SYSTEMS AND KNOWLEDGE BASES FOR VARIOUS APPLICATIONS, AND INSTRUCTION MANUALS…
Owned by: PROFESSIONAL KNOWLEDGE SYSTEMS, INC.
Serial Number: 73786231
EXPERT EXPRESS
Filed: June 3, 1991
non-fiction books, pamphlets and newsletters in the fields of religion, financial aid, and services from governmental and…
Owned by: PROFESSIONAL KNOWLEDGE SYSTEMS, INC.
Serial Number: 74172321
