Patents by Inventor David A. Hollatz

David A. Hollatz 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).

  • Portable drill press
    Patent number: D975149
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: January 10, 2023
    Inventor: David A. Hollatz