Patents by Inventor Dale Przybylowicz

Dale Przybylowicz 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).

  • Spacer for concrete form walls
    Patent number: 6234447
    Abstract: A spacer for use in maintaining inner and outer concrete form walls at a specified uniform spacing. The spacer includes a screw shaft having a right hand threaded portion and a left hand threaded portion; a first nut threadably mounted on the left hand threaded portion; a second nut threadably mounted on the right hand threaded portion; a first spacer plate secured to and extending downwardly from the first nut; a second spacer plate secured to and extending downwardly from the second nut; and a stabilizer and stiffener assembly including a male guide structure secured to the first nut and including a rod extending generally parallel to the screw shaft and a female guide structure secured to the second nut and defining a socket telescopically receiving the free end of the rod.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: May 22, 2001
    Assignee: Allor Manufacturing, Inc.
    Inventors: John Allan Boyden, Dale Przybylowicz