Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Joseph Collopy 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: 2831804     View patent at USPTO
    Title: PROCESS FOR THE IMPROVEMENT AND RECLAMATION OF SOILS
    Assignee: Collopy Electro-Soil Company
    Issue Date: April 22, 1958
    Inventor(s): Joseph P. Collopy, Powell, WY