Patents by Inventor Jeff Lindgren

Jeff Lindgren 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: 8793932
    Abstract: A hole in a door is fitted with an insert The insert includes a frame assembly and a mounting plate which are affixed together and sandwiching portions of the door adjacent the hole therebetween. The frame assembly further includes a lattice spanning the hole. An inner door is pivotably mounted to the mounting plate for selectively opening and closing the insert. The frame assembly is configured to support a screen adjacent thereto and inboard of the inner door.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: August 5, 2014
    Inventor: Jeff Lindgren