Exxsyn Trademarks

EXXSYN
synthetic petroleum base stocks for use in formulating lubricating oils and greases
Abandoned  ·  July 23, 1993  ·  74417654  · 
EXXSYN
SYNTHETIC PETROLEUM BASE STOCKS FOR USE IN FORMULATING LUBRICATING OILS AND GREASES
Abandoned  ·  November 16, 1989  ·  74000483  ·