Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Ernest Engler 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: 3309973     View patent at USPTO
    Title: LIGHT BLOCKING TOOL FOR PHOTOGRAPHIC PRINTING
    Assignee: None
    Issue Date: March 21, 1967
    Inventor(s): Ernest F. Engler, Casper, WY