Patents by Inventor Larry D. Gray

Larry D. Gray 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).

  • Positive locking clamshell
    Patent number: 6283364
    Abstract: A clamshell container for disposable, single-use applications comprising a reinforced positive locking closure that includes an inverted tab closure element located within the front wall of one compartment thereof, and a slot cutout located within the front wall of a corresponding compartment thereof.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: September 4, 2001
    Assignee: Westvaco Corporation
    Inventor: Larry D. Gray, Sr.
  • Flap closure and opening means for envelopes
    Patent number: 5799865
    Abstract: The present invention relates to a paperboard envelope which utilizes a single strip of tear tape having adhesive applied to both sides for sealing and opening. The envelope structure includes starter elements in both the sealing flap and the panel to which the sealing flap is adhered for assisting in the opening function. The improvement lies in extending the starter elements beyond the side edges of the envelope body to provide starter tabs that can be readily grasped to open the envelope.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: September 1, 1998
    Assignee: Westvaco Corporation
    Inventor: Larry D. Gray
  • Expansible envelope
    Patent number: 5799862
    Abstract: An expansible envelope structure with a single fold bottom is provided with gusset side walls having stress relief score lines in the lower ends thereof which permit normal expansion of the gusset panels.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: September 1, 1998
    Assignee: Westvaco Corporation
    Inventor: Larry D. Gray
  • Carton and blank with locking top
    Patent number: 5522538
    Abstract: A carton for a food product or the like is prepared from a pre-cut and scored single blank of paperboard with a provision for a locking top closure and self-erecting rhombic shaped end panels. The rhombic shaped end panels include integral connector panels and paired intermediate end panels, at least one pair of which are adhered to a side wall of the carton to assist in the self-erection of the carton as it is folded from a flat pre-formed condition to an upright fully formed condition.
    Type: Grant
    Filed: January 9, 1995
    Date of Patent: June 4, 1996
    Assignee: Westvaco Corporation
    Inventor: Larry D. Gray
  • Auto-bottom front lock carton
    Patent number: 5520284
    Abstract: The carton of the present invention is formed from a one-piece blank of foldable paperboard or the like which includes, an automatic bottom closure, a top closure having a front lock, and remote side wall extensions which include slots and tabs to permit a plurality of the cartons when stacked to be secured together, or for the use of a separate carrying handle.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: May 28, 1996
    Assignee: Westvaco Corporation
    Inventor: Larry D. Gray
  • Cookie tray
    Patent number: D332393
    Type: Grant
    Filed: October 23, 1991
    Date of Patent: January 12, 1993
    Assignee: Westvaco Corporation
    Inventors: Larry L. Boone, Larry D. Gray