Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Helmer Hanson has a total of 2 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: 3176091     View patent at USPTO
    Title: CONTROLLED MULTIPLE SWITCHING UNIT
    Assignee: None
    Issue Date: March 30, 1965
    Inventor(s): Helmer C. Hanson, Cheyenne, WY
    Andrew J. Kmetz, Cheyenne, WY

  2. Patent Number: 3334199     View patent at USPTO
    Title: PATTERN CONTROLLED MULTIPLE SWITCHING UNIT
    Assignee: None
    Issue Date: August 01, 1967
    Inventor(s): Helmer C. Hanson, Cheyenne, WY
    Andrew J. Kmetz, Cheyenne, WY