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Inventor: David W. Ford

Address: Brookville, PA
No. of patents: 1
Last patent issue date: 07/13/1982

Number	Title	Issue Date
4339008	Well notching tool A well notching tool having an elongated rotary power shaft and a coaxial shell in surrounding relationship therewith. A portion of the exterior shell surface is formed with an upwardly directed taper, and a portion of the exterior surface below the taper...	07/13/1982