Patents by Inventor Phillip L. Lieberman

Phillip L. Lieberman 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: 7574832
    Abstract: A portable telescoping tower assembly. The assembly includes a tower mounted on a trailer wherein the tower includes a plurality of telescoping sections that extend for use and retract and nest for storage and transportation. At least one cylindrical ram moves the tower between horizontal and vertical positions. A motor extends and retracts the plurality of sections. Each of the sections includes a plurality of external edges with each of the external edges including at least one protruding guide to mate with and receive an adjoining section.
    Type: Grant
    Filed: January 24, 2007
    Date of Patent: August 18, 2009
    Inventor: Phillip L. Lieberman
  • Patent number: 7089705
    Abstract: A portable surveillance system having an easily transportable skid-type base structure that forms a support for a portable tower apparatus. Stabilizers are extendably mounted to the base structure. The tower components include a base member affixed to the base plate, a pivot bracket affixed to an upper end of the base member, a tower member pivotally mounted to the pivot bracket on the base member and one or more removable tower members that may be installed to achieve a desired height for the tower once it is pivoted to an upright orientation by manipulating a cable and pulley system. Various equipment mounts are provided on the tower to mount equipment such as an aerometer, a tower light, a wind direction vane, a video camera, a microwave telecom dish, or other equipment thereon. The ability to rapidly deploy the tower of invention enables rapid deployment for surveillance and other uses.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: August 15, 2006
    Assignee: Mobile Equipment International, LLC
    Inventor: Phillip L. Lieberman
  • Patent number: 5510862
    Abstract: A collapsible, large screen audiovisual display system is provided. The preferred embodiment of the invention includes a square-shaped, forwardly mounted projection screen bordered by a protective framework. The screen is connected to a rearwardly placed, square-shaped, support frame by extendable scissor arms. A flexible drape extends between the screen and rear support frame and is internally supported by a plurality of guy wires. Each guy wire is connected at a first end to a recoiling reel and at a second end to the periphery of the screen and passes through a plurality of grommets positioned on the inside of the drape. The invention is equipped with wheels to aid in setup and transportation, the wheels being affixed to telescoping screw lifters such that the height of the screen and rear support frame is variable. A video projector and sound system are housed within the rear support frame.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: April 23, 1996
    Inventors: Phillip L. Lieberman, William J. Wiseman, Jr.
  • Patent number: 5434631
    Abstract: A collapsible, large screen audiovisual display system is provided. The preferred embodiment of the invention includes a square-shaped, forwardly mounted projection screen bordered by a protective framework. The screen is connected to a rearwardly placed, square-shaped, support frame by four removable horizontal support members, each having first and second ends. The support members are each connected at their first ends to a corner of the screen's protective framework and at their second ends to the corresponding corners of the rear support frame. A flexible drape extends between the screen and rear support frame and is internally supported by a plurality of support ribs. A plurality of spaced loops attached the drape to the four horizontal support members. The invention is equipped with wheels to aid in setup and transportation and includes audio speakers mounted beneath the screen. A video projector and sound system is housed within a projector rack adapted to connect to the rear support frame.
    Type: Grant
    Filed: July 21, 1994
    Date of Patent: July 18, 1995
    Inventors: Phillip L. Lieberman, William J. Wiseman, Jr.