Patents by Inventor John E. Hatala

John E. Hatala 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: D463252
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: September 24, 2002
    Assignee: Jamar Cycle, LLC
    Inventors: David L. Switz, John E. Hatala
  • Patent number: D464866
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: October 29, 2002
    Assignee: Jamar Cycle, LLC
    Inventors: David L. Switz, John E. Hatala