Hand held disc type surfacing machine
Hand operated grinding wheel with surface area and depth control
Hand-held dual knife sharpener
Hand-held gem dop
Hand-held knife sharpener
Hand-held skate sharpener
Handhole seat resurfacing tool for naval pressure fired boilers
Hard particle coated grinding wheel
Harvester cutterhead knife sharpening device
Head stock for grinding machine
Heat set and destretched polyester backing material in coated ab
Heat shield blocking and mounting disc for lens grinding
High density ceramic turbine members
High performance abrasive articles containing abrasive grains an
High precision micromachining of very fine features
Highly rigid composite shaped abrasive cutting wheel
Holder for milling countersink filler plugs
Holding device for cup-shaped glassware articles in a glass proc
Holding means for gem stones
Hollow grinding fixture