Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Irwin Clark 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: 1533060     View patent at USPTO
    Title: METHOD OF TREATING OILS WITH PREPARED CLAYS
    Assignee: Producers and Refiners Corporation
    Issue Date: April 7, 1925
    Inventor(s): Irwin Arthur Clark, Parco, WY