U.S. federal trademark · Serial No. 79350292 · Reg. No. 7333841
Polycrystalline silicon carbide manufactured using chemical vapor deposition, for industrial use
Polycrystalline silicon carbide semi-conductor wafers, rings, trays and wafer boats manufactured using chemical vapor deposition
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.