Inventor: Leonard R. Arnold

Address: Highland Park, IL
No. of patents: 2
Last patent issue date: 08/19/1980

Number	Title	Issue Date
4218160	Heavy duty cutting insert A heavy duty, indexable insert for use in single-point and multiple-point negative rake holding devices, which includes a polygonal body having conjunctive sides providing cutting edges bounding a flat, narrow, downwardly inclined land which drops off sha...	08/19/1980
4189265	Positive chip control insert An indexable, insert for single-point and multiple-point negative rake holding devices which convert the cutting point to a positive cutting geometry. The insert has straight descending and widening V-shaped grooves from each corner along the adjacent sid...	02/19/1980

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