Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Roland Schmidt has a total of 3 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

  2. Patent Number: 6092665     View patent at USPTO
    Title: BENEFICIATION OF SALINE MINERALS
    Assignee: Environmental Projects, Inc.
    Issue Date: July 25, 2000
    Inventor(s): Allen H. Moore, Parker, CO
    Roland Schmidt, Lakewood, CO
    Ralph B. Tacoma, Green River, WY
    Allan L. Turner, Lakewood, CO

  3. Patent Number: 6173840     View patent at USPTO
    Title: BENEFICIATION OF SALINE MINERALS
    Assignee: Environmental Projects, Inc.
    Issue Date: January 16, 2001
    Inventor(s): Dale Lee Denham, Arvada, CO
    Rudolph Pruszko, Green River, WY
    Roland Schmidt, Lakewood, CO