Patents by Inventor Bruce D. Birnbaum

Bruce D. Birnbaum 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: 5992070
    Abstract: A flexible face sign system is provided which includes a cabinet assembly mounting one or two face assemblies. The cabinet assembly includes a cabinet frame comprising upper, lower and opposite side cabinet frame sections. The cabinet assembly can receive a light fixture for providing illumination. The face assembly includes a face frame comprising upper, lower and opposite side sections. The cabinet and face upper frame sections are hingedly interconnected whereby the face assembly can be swung to an open position with respect to the cabinet assembly. Alternatively, the face assembly can be removably mounted on the cabinet assembly without providing for hinged motion therebetween. The face assembly includes a flexible face panel mounted on the face frame sections and adjustably stretched thereover by retainer clips which grip margins of the face panel and are tension-adjustably connected to the face frame sections by tension-adjusting bolts.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: November 30, 1999
    Assignee: The Carter-Water Corporation
    Inventor: Bruce D. Birnbaum
  • Patent number: D457498
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: May 21, 2002
    Assignee: Excellart Sign Products, Inc.
    Inventor: Bruce D. Birnbaum