Patents by Inventor John Ludemann

John Ludemann 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).

  • Shoe upper
    Patent number: D297181
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: August 16, 1988
    Assignee: AVIA Group International, Inc.
    Inventors: Lawrence Selbiger, John Ludemann, Robert L. Peterson
  • Shoe upper
    Patent number: D297587
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: September 13, 1988
    Assignee: AVIA Group International, Inc.
    Inventors: Lawrence Selbiger, John Ludemann, Robert L. Peterson
  • Shoe upper
    Patent number: D297780
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: September 27, 1988
    Assignee: AVIA Group International, Inc.
    Inventors: James K. Tong, Lawrence Selbiger, John Ludemann
  • Shoe upper
    Patent number: D298082
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: October 18, 1988
    Assignee: AVIA Group International, Inc.
    Inventors: Lawrence Selbiger, John Ludemann, Robert L. Peterson
  • Shoe upper
    Patent number: D299582
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: January 31, 1989
    Assignee: AVIA Group International, Inc.
    Inventors: Mona McCrea, John Ludemann, Robert Peterson