Mark Identification
HSC HEMLOCK SEMICONDUCTOR CORPORATION
Serial Number
73613350
Filing Date
Aug 6, 1986
Registration Date
Dec 8, 1987
Trademark by
DDP SPECIALTY ELECTRONIC MATERIALS US 9 LLC
Active Trademark
Classification Information
POLYCRYSTALLINE SILICON AND SILICON SOURCE CHEMICALS USED IN MANUFACTURING SEMICONDUCTOR DEVICES SUCH AS TRANSISTORS, RECTIFIERS, INTEGRATED CIRCUITS AND OTHER ELECTRONIC DEVICES
Chemicals