74594872
Nov 4, 1994
Sep 17, 1996
Active Trademark
perforated screens made of glass or glass ceramic, for flat cathode ray tube display units, vaporization masks, carrier bodies in magnetic disk storages, nozzle plates for ink jet printers, guide plates for matrix needle printers, code wheels, smart windows for liquid crystal displays, carrier components for photo secondary electron amplifiers, and perforated screen panels for high-performance microphones
Electrical and Scientific Apparatus