Patents by Inventor David C. Engebretson

David C. Engebretson 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 handle and latch assembly for a sliding door
    Patent number: 5152561
    Abstract: A door handle and latch assembly for a sliding door comprises a main body having a finger gripping recess on one side facing outwardly to permit opening and closing of a sliding door and a latch member having an L-shaped bracket overlying a vertical edge of a door. The main body of the latch is located in a recess formed in the main body on the side opposite the side of the finger gripping recess. The recess is bounded also by a surface on the sliding door to form a channel in which the latch member can move up or down to lock and unlock the sliding door.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: October 6, 1992
    Assignee: NJ Window Components Inc.
    Inventor: David C. Engebretson
  • Arcuately adjustable roller and corner key for sliding screen door
    Patent number: 5119872
    Abstract: An arcuately adjustable roller and corner key for sliding screen doors comprises a corner key having a hollow portion to receive a roller which is mounted on an axle. A pair of aligned arcuate slots in spaced sides of said hollow portion allow adjustable movement of said roller so that it can be used to form a right or left corner connector.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: June 9, 1992
    Assignee: JW Window Components, Inc.
    Inventor: David C. Engebretson