Opcode, Inc. Trademarks
HISTORIAN
Filed: November 6, 1978
Prerecorded Computer Programs
Owned by: Opcode, Inc.
Serial Number: 73192185
HISTORIAN PLUS
Filed: November 17, 1986
PRERECORDED COMPUTER PROGRAMS
Owned by: Opcode, Inc.
Serial Number: 73630507
Image Trademark
Filed: January 27, 1987
USER'S MANUALS FOR COMPUTER PROGRAMS
Owned by: Opcode, Inc.
Serial Number: 73641154
