U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Inventor: William C. Hardy

Address: Richardson, TX
No. of patents: 1
Last patent issue date: 08/10/1976

Number	Title	Issue Date
3973627	Wellbore gravel pack method Methods of gravel packing are disclosed utilizing controlled melting point materials with the gravel placed behind a liner located in the wellbore. The controlled melting point materials can be coated on the gravel prior to its placement behind the liner ...	08/10/1976