Patents by Inventor David B. Pieper

David B. Pieper 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: D863487
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: October 15, 2019
    Inventor: David B. Pieper
  • Patent number: D930780
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: September 14, 2021
    Inventor: David B. Pieper
  • Patent number: D931401
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: September 21, 2021
    Inventor: David B. Pieper