Mounting apparatus for processing lens blanks

Mounting assembly for gem blanks

Mounting block for mounting a lens in a lens trimming and bevell

Multi-angle grinding fixture

Multi-disc cutter and method of manufacture

Multi-layer metal coated diamond abrasives with an electrolessly

Multigrain abrasive particles

Multilayer abrading tool and process

Multilayer abrading tool having an irregular abrading surface an

Multilayer coated abrasive element for bonding to a backing

Multilayered flexible abrasive containing a layer of electrocond

Multiple metal coated superabrasive grit and methods for their m

Nitride based cutting tool and method for producing the same

Nitride coated composite modified silicon aluminum oxynitride cu

Nitride coated composite silicon nitride cutting tools

Nitride coated silicon nitride cutting tools

Nitrified bonded sol gel sintered aluminous abrasive bodies

Non-polluting waterproof cloth finish for abrasive cloth

Notch beveling on semiconductor wafer edges

Novel lap for the polishing of gem stones