Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Arthur Apperson 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: 796173     View patent at USPTO
    Title: SEMAPHORE-LOCKING DEVICE
    Assignee: None
    Issue Date: August 1, 1905
    Inventor(s): Arthur Bert Apperson, Cheyenne, WY