75482236
May 8, 1998
Apr 4, 2000
ANTI-FOG COATINGS FOR OPTICAL SURFACES SUCH AS GAS MASKS, FACE SHIELDS, MEDICAL INSTRUMENTATION SHIELDS, NIGHT SCOPES, TELESCOPES, HELMET SHIELDS AND GOGGLES; AND SEALER COATINGS FOR CONCRETE, STONE AND MASONRY TO PROTECT AGAINST GRAFFITI AND ACID RAIN
Paints