Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Roy Knutson 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: 7377311     View patent at USPTO
    Title: WELLHEAD VALVES
    Assignee: None
    Issue Date: May 27, 2008
    Inventor(s): Roy E. Knutson Jr., Gillette, WY
    Richard E. Scallen, Gillette, WY