Patents by Inventor David R. Mandl

David R. Mandl 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: D957023
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: July 5, 2022
    Assignee: Phoenix Products LLC
    Inventors: Erwin W. Greenwaldt, David R. Mandl
  • Patent number: D993511
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: July 25, 2023
    Assignee: Phoenix Products LLC
    Inventors: Erwin W. Greenwaldt, David R. Mandl, Jordan S. Dahl
  • Patent number: D994946
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: August 8, 2023
    Assignee: PHOENIX PRODUCTS LLC
    Inventors: Erwin W. Greenwaldt, David R. Mandl, Jordan S. Dahl