Pairspan Trademarks

PAIRSPAN
digital telephone equipment, namely digital loop carrier units
Cancelled  ·  February 9, 1995  ·  74632060  · 
PAIRSPAN
DIGITAL TELEPHONE EQUIPMENT, NAMELY DIGITAL LOOP CARRIER UNITS USED TO ENABLE INFORMATION CARRYING CAPACITIES OVER FIBER OPTIC LINES
Cancelled  ·  September 25, 1989  ·  73827502  ·