Wyoming Inventors Database
Wyoming Inventors : Name Search Results

John Wold 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: 5911959     View patent at USPTO
    Title: METHOD FOR PURIFICATION AND PRODUCTION OF SALINE MINERALS FROM TRONA
    Assignee: Environmental Projects, Inc.
    Issue Date: June 15, 1999
    Inventor(s): Wayne C. Hazen, Denver, CO
    Rudolph Pruszko, Green River, WY
    Roland Schmidt, Lakewood, CO
    John S. Wold, Casper, WY