Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Rudolf Schaefer 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: 3944155     View patent at USPTO
    Title: RIBBON SPOOL
    Assignee: Victor Comptometer Corporation
    Issue Date: March 16, 1976
    Inventor(s): Rudolf Karl Schaefer, Des Plaines, IL
    Robert Hugh Wilczewski, Riverton, WY