Wyoming Inventors Database
Wyoming Inventors : Name Search Results

John Hoffman has a total of 6 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: 1492460     View patent at USPTO
    Title: WRECKING TOOL
    Assignee: None
    Issue Date: April 29, 1924
    Inventor(s): John E. Hoffman, Casper, WY

  2. Patent Number: 1501776     View patent at USPTO
    Title: WRECKING TOOL
    Assignee: None
    Issue Date: July 15, 1924
    Inventor(s): John E. Hoffman, Casper, WY

  3. Patent Number: 1581059     View patent at USPTO
    Title: RIVET HOLDER
    Assignee: None
    Issue Date: April 13, 1926
    Inventor(s): John E. Hoffman, Casper, WY

  4. Patent Number: 1634191     View patent at USPTO
    Title: WRECKING TOOL
    Assignee: None
    Issue Date: June 28, 1927
    Inventor(s): John E. Hoffman, Casper, WY

  5. Patent Number: 1698630     View patent at USPTO
    Title: HEADLIGHT-CONTROLLING APPARATUS
    Assignee: None
    Issue Date: January 8, 1929
    Inventor(s): John E. Hoffman, Casper, WY

  6. Patent Number: 1767926     View patent at USPTO
    Title: NAILING TOOL
    Assignee: None
    Issue Date: June 24, 1930
    Inventor(s): John E. Hoffman, Casper, WY