Compact dressing tool
Compensating hood apparatus
Compliant lens block and tape
Composite washer assembly
Compositions and methods for restoring plastic covers and...
Compound motion rubbing machine
Computer controlled grinding machine
Computer-controlled milling machine for producing lenses for...
Computer-controlled milling machine for producing lenses for...
Conditioning grinder
Connecting rod aligning and supporting fixtures
Constant spindle power grinding method
Contact lens construction
Contact wheel and method
Continuous process of cleaning the surface of elongated stock
Contour guide for ice skate sharpener
Contour sanding device
Control apparatus for roll grinders
Control mechanism for honing machines
Control switch arrangement for an orbital polisher