Diskdoubler Trademarks

DISKDOUBLER
computer programs for storage and retrieval of compressed data
Cancelled  ·  July 6, 1990  ·  74076136  · 
DISKDOUBLER
MICROPROCESSOR AND STORED COMPUTER PROGRAMS FOR STORAGE AND RETRIEVAL OF COMPRESSED DATA
Cancelled  ·  January 10, 1989  ·  73773975  · 
diskdoubler