Patents by Inventor John Owen Barnes

John Owen Barnes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Machine for printing measuring tapes
    Patent number: 4051774
    Abstract: A machine for printing steel tapes of long length comprising a first printing station for printing inch graduations thereon in a first color, a second printing station for printing foot graduations and other data thereon in a second color, and an automatic digital control unit for controlling the pressure-exerted on the tape by an impression wheel to effectively control the spacing of the graduations.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: October 4, 1977
    Assignee: Jack Barnes Engineering, Inc.
    Inventors: Carl Kenneth Barnes, John Owen Barnes