Patents by Inventor Andrew A. Hatala

Andrew A. 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: D377876
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: February 11, 1997
    Inventors: John P. Hatala, Andrew A. Hatala