Patents by Inventor Kathleen Derr

Kathleen Derr 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).

  • Trivet with embossed skillets
    Patent number: D859065
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: September 10, 2019
    Assignee: Lodge Manufacturing Company
    Inventor: Kathleen Derr
  • Grill pan trivet
    Patent number: D869236
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: December 10, 2019
    Assignee: Lodge Manufacturing Company
    Inventors: Robert Kellermann, Kathleen Derr, Gabrielle Blades
  • Circular trivet
    Patent number: D880934
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: April 14, 2020
    Assignee: Lodge Manufacturing Company
    Inventors: Robert Kellermann, Kathleen Derr