Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Keith Shelstad has a total of 2 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: 4269614     View patent at USPTO
    Title: APPARATUS FOR CONTROLLING THE DISPERSION OF COAL FINES INTO THE ATMOSPHERE
    Assignee: Sunoco Energy Development Co.
    Issue Date: May 26, 1981
    Inventor(s): Keith L. Shelstad, Gillette, WY

  2. Patent Number: 5129508     View patent at USPTO
    Title: DUST CONTROL SYSTEM
    Assignee: None
    Issue Date: July 14, 1992
    Inventor(s): Keith L. Shelstad, Gillette, WY