Robert Ferguson 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.
Patent Number: 5413047 View patent at USPTO Title: OVERBURDEN REMOVAL METHOD WITH BLAST CASTING AND EXCAVATING APPARATUS Assignee: Atlantic Richfield Company Issue Date: May 09, 1995 Inventor(s): Monica S. Cummins, Gillette, WY
Randall N. Evans, Upton, WY
Robert L. Ferguson, Wright, WY
Marlyn G. King, Gillette, WY