Patents by Inventor Todd R. Letherer

Todd R. Letherer 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: 7425191
    Abstract: Methods and apparatus for forming a score line with a reverse kiss cut in a deformable material are provided. A method can include providing two plates, such as a die plate with a scoring rule thereon and a counter plate with an aligned corresponding recess with a knife edge positioned therein and protruding toward the scoring rule. When the die plate is advanced toward the counter plate, the deformable material is forced into the recess of the counter plate to form the score line and the knife simultaneously forms a cut or slit in the bottom surface of the deformable material to form a reverse kiss cut.
    Type: Grant
    Filed: April 28, 2007
    Date of Patent: September 16, 2008
    Assignee: Graphic Packaging International, Inc.
    Inventor: Todd R. Letherer
  • Patent number: 7226405
    Abstract: Methods and apparatus for forming a score line with a reverse kiss cut in a deformable material are provided. A method can include providing two plates, such as a die plate with a scoring rule thereon and a counter plate with an aligned corresponding recess with a knife edge positioned therein and protruding toward the scoring rule. When the die plate is advanced toward the counter plate, the deformable material is forced into the recess of the counter plate to form the score line and the knife simultaneously forms a cut or slit in the bottom surface of the deformable material to form a reverse kiss cut.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: June 5, 2007
    Assignee: Graphic Packaging International, Inc.
    Inventor: Todd R. Letherer