Patents by Inventor Paul D. Kowalski

Paul D. Kowalski 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).

  • Retractable platform for swimming pool
    Patent number: 6170093
    Abstract: A retractable platform for a swimming pool for preventing damage to the decks, liners and wall of the swimming pool when pets and people alike are entering and exiting the swimming pool.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: January 9, 2001
    Inventor: Paul D. Kowalski