Spherecore Trademarks

SPHERECORE
rolls of bonded glass fibers composed of hollow microspheres embedded between individual fibers and intended for use in the manufacture of glass reinforced sandwich laminates
Registered  ·  April 10, 1995  ·  74660243  · 
spherecore
SPHERECORE
rolls of bonded polyester fibers composed of hollow microspheres embedded between individual fibers and intended for use in the manufacture of glass reinforced sandwich laminates
Cancelled  ·  March 17, 1992  ·  74256387  ·