Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Richard Sigward 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: 5390371     View patent at USPTO
    Assignee: None
    Issue Date: February 21, 1995
    Inventor(s): Richard A. Sigward, East Alton, IL
      *Notes: Native and resident of Wyoming