Patents Assigned to Berryville Graphics
  • Method of making books
    Patent number: 5672030
    Abstract: A stack of unbonded perforated book signatures receives cold pva adhesive applied to the spine and hot eva adhesive is promptly applied in not more than approximately ten minutes prior to setting of the cold adhesive to permit the fabrication of a book of greatly enhanced durability.
    Type: Grant
    Filed: January 2, 1996
    Date of Patent: September 30, 1997
    Assignee: Berryville Graphics
    Inventor: Robert Wayne Dean