Patents by Inventor David R. Polczynski

David R. Polczynski 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).

  • Tool card
    Patent number: D878891
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: March 24, 2020
    Assignee: Ultimate Survival Tips LLC
    Inventor: David R. Polczynski
  • Tool card
    Patent number: D934048
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: October 26, 2021
    Assignee: Ultimate Survival Tips, LLC
    Inventor: David R. Polczynski
  • Knife
    Patent number: D1016209
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: February 27, 2024
    Assignee: Ultimate Survival Tips LLC
    Inventor: David R. Polczynski