73190875
Oct 26, 1978
Oct 20, 1981
Chemicals and Specialized Preparations for the Optical Industry-Namely, Industrial Coolants, Polishing Extenders and Defoamers, Suspension Agents, Cylinder Pad Glue, and Coating Compounds for Protecting Lenses During Manufacture
ChemicalsOptical Powder for Grinding and Smoothing Lenses, Crystal Finishing Powder and Aluminum Oxide for Lapping and Grinding Lenses, Silicon Carbide for Lapping and Cutting Lenses, Lens Polishing Powder, Micro Alumina and Cerium Oxide for Polishing Lenses and Glass Beads for Lens Polishing
Cosmetics and Cleaning PreparationsMetal Edger Caps for Covering Mounting Tool Points to Protect Lenses During Processing, and Block Centers for Mounting Lens Polishing and Grinding Blocks
Metal GoodsLens Deblocking Machines, Spray Booth Machines, Abrasive Diamond Edging Wheels, Diamond Generator Laps and Abrasive Lap Truing Discs
MachineryHand Tools Used in Optical Processing-Namely, Diamond Dressing Tools and Abrasive Dressing Hones
Hand Tools