Patents Examined by Sarah Ann Lechok
  • Book support assembly
    Patent number: 4463854
    Abstract: A book support assembly comprises a system of adjustable bookends including two end members connected together by a relaxed cord which cord is adjustable in length by use of a manually operated mechanical windlass device. The book support assembly is convertable from bookends to a lectern.
    Type: Grant
    Filed: January 17, 1983
    Date of Patent: August 7, 1984
    Inventor: David D. MacKenzie