Patents by Inventor Douglas D. Seely, Jr.

Douglas D. Seely, Jr. 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).

  • Multiple scale rule
    Patent number: D255784
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: July 8, 1980
    Inventor: Douglas D. Seely, Jr.
  • Multiple scale rule
    Patent number: D267552
    Type: Grant
    Filed: November 10, 1980
    Date of Patent: January 11, 1983
    Inventors: Douglas D. Seely, Jr., Douglas D. Seely, III