74140741
Feb 20, 1991
Oct 4, 1994
spherical glass beads for use in filtering of fluids and plastics, and spherical glass beads for use in the manufacture of reflective paints used in road making
Chemicalsspherical glass beads for use in abrasive blasting and surface treatment; namely, polishing
Cosmetics and Cleaning Preparationsspherical glass beads for laboratory use; namely, displacement of a known volume of a liquid and addition of a known weight and volume to a liquid
Electrical and Scientific Apparatusspherical glass beads for use in road marking materials; namely, reflective markers
Nonmetallic Building Materials