Patents by Inventor David Robert Swartz

David Robert Swartz 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).

  • Dragon doorknob cover
    Patent number: D950356
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: May 3, 2022
    Inventor: David Robert Swartz
  • Goldfish doorknob cover
    Patent number: D957229
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: July 12, 2022
    Inventor: David Robert Swartz
  • Cat doorknob cover
    Patent number: D960683
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: August 16, 2022
    Inventor: David Robert Swartz
  • Dog doorknob cover
    Patent number: D974147
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: January 3, 2023
    Inventor: David Robert Swartz