Patents by Inventor Thomas B. Royal

Thomas B. Royal 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).

  • Patent number: 4052933
    Abstract: A machine which forms a tray from a flat blank wherein the formed tray has horizontally disposed shoulders extending across the top thereof.
    Type: Grant
    Filed: July 15, 1976
    Date of Patent: October 11, 1977
    Assignee: International Paper Company
    Inventor: Thomas B. Royal
  • Patent number: 4023471
    Abstract: A method and apparatus for assembling a carton from a body forming blank and a pair of end forming blanks wherein the end forming blanks each include a pair of side flaps and a bottom flap.
    Type: Grant
    Filed: April 24, 1975
    Date of Patent: May 17, 1977
    Assignee: International Paper Company
    Inventor: Thomas B. Royal
  • Patent number: 4006670
    Abstract: A method and apparatus of forming a box from a substantially flat blank and subsequently collapsing the box.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: February 8, 1977
    Assignee: International Paper Company
    Inventor: Thomas B. Royal
  • Patent number: 3978774
    Abstract: A machine which forms a tray from a flat blank wherein the formed tray has horizontally disposed shoulders extending across the top thereof.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: September 7, 1976
    Assignee: International Paper Company
    Inventor: Thomas B. Royal