Patents by Inventor Brian Marine

Brian Marine 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 frame assembly jig
    Patent number: 5377462
    Abstract: An assembly jig for bracing a metal door frame includes a pair of squaring braces that fit into diagonally opposite corners of metal door frame that square the door frame and a door-spreading brace that interacts with the squaring braces at a single point which properly spaces the side jambs of the door frame. The squared door frame may be plumbed with a pair of plumbing braces which attach to the floor by means of an anchor plate.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: January 3, 1995
    Inventors: Michael Beals, Brian Marine