Wyoming Inventors Database
Wyoming Inventors : Name Search Results

David Smith has a total of 1 patent(s) in the database.

* Some patents in this database have one or more inventors, not all of whom may be from Wyoming.

 

  1. Patent Number: 6367548     View patent at USPTO
    Title: DIVERSION TREATMENT METHOD
    Assignee: BJ Services Company; Ocean Energy Resources, Inc.
    Issue Date: April 9, 2002
    Inventor(s): David D. Cramer, Littleton, CO
    Donald L. Purvis, Parker, CO
    David D. Smith, Gillette, WY
    Douglas L. Walton, Littleton, CO