Raytran Trademarks

RAYTRAN
OPTICAL MATERIALS-NAMELY, A HIGH-CLARITY POLYCRYSTALLINE COMPOUND FOR USE IN OPTICAL SYSTEMS, SUCH AS LASER SYSTEMS, THERMAL IMAGING SYSTEMS AND INFRARED SYSTEMS
Expired  ·  February 18, 1977  ·  73117031  · 
RAYTRANS
HEAT-SHRINK SLEEVING FOR USE IN JOINING OR REPAIR OF GAS PIPES
Cancelled  ·  September 3, 1987  ·  73682387  ·