Patents by Inventor John T. Gerhardt

John T. Gerhardt 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).

  • Door
    Patent number: D824043
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: July 24, 2018
    Assignee: JELD-WEN, Inc.
    Inventor: John T. Gerhardt
  • Door
    Patent number: D824539
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: July 31, 2018
    Assignee: JELD-WEN, Inc.
    Inventor: John T. Gerhardt
  • Door
    Patent number: D888284
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: June 23, 2020
    Assignee: JELD-WEN, INC.
    Inventor: John T. Gerhardt
  • Door
    Patent number: D917722
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: April 27, 2021
    Assignee: JELD-WEN, Inc.
    Inventor: John T. Gerhardt