6 SHAPED CRYSTALLINE PRODUCTS-NAMELY, RODS, RIBBONS, TUBING AND PLATES OF SUBSTANTIALLY MONOCRYSTALLINE ALUMINA (I.E., SAPPHIRE), FOR VARIOUS USES, INCLUDING USE IN THE FURTHER MANUFACTURE OF OTHER PRODUCTS
Trademark Events
Jul 3, 2000
Expired Sec. 9
Sep 13, 1985
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.