GMASS
Heavy metal-reinforced polymers, namely, tungsten and bismuth reinforced polymer compositions for use in the manufacture of weighting products, balancing products, and radiation shielding products; plasticized heavy metal polymers, namely, plasticized tungsten and bismuth polymer compositions for use in the manufacture of weighting products, balancing products, and radiation shielding products
Abandoned · October 14, 2014 · 86423674 ·