James Frederick 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.
Patent Number: 5242470 View patent at USPTO Title: PELLETIZING COAL OR COKE WITH STARCH PARTICLES Assignee: Zeigler Coal Holding Company Issue Date: September 07, 1993 Inventor(s): James P. Frederick, Gillette, WY
James A. Salter, Katy, TX
Edward C. Sumner IV, Houston, TX
Patent Number: 8197678 View patent at USPTO Title: REFINING COAL-DERIVED LIQUID FROM COAL GASIFICATION, COKING AND OTHER COAL PROCESSING OPERATIONS Assignee: MR & E, Ltd. (Perryburg, OH) Issue Date: June 12, 2012 Inventor(s): James P. Frederick, Gillette, WY
James S. Warwick, Doylestown, PA