Patents by Inventor Michael J. Borwick

Michael J. Borwick 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).

  • Pet door for a screen
    Patent number: 4603724
    Abstract: The locating of a pet door within a screen, such as a screen door. A frame in the form of a molding is composed of a pair of members which are to be tightly clamped together with the screen therebetween. The frame forms an enclosed area. A portion of the screening material within the enclosed area has been removed. Within the enclosed area is swingably mounted a door. The door is to be swingable from a closed position located substantially within the enclosed area to an extended position permitting movement of a domesticated animal through the enclosed area.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: August 5, 1986
    Assignee: Borwick Innovations, Inc.
    Inventor: Michael J. Borwick