Sparfil Trademarks

SPARFIL
Building Blocks of Insulated Concrete with Polysterene Beads as a Lightweight Agregate
Cancelled  ·  April 29, 1982  ·  73362193  · 
SPARFIL
CONCRETE IN ALL FORMS - MASONRY SERVICES
Abandoned  ·  October 27, 1981  ·  73334391  ·