Patents by Inventor David A. Dunham

David A. Dunham 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).

  • Method and system for dispensing an irregularly shaped article for retail sale
    Patent number: 6199721
    Abstract: A system for dispensing an irregularly shaped article for retail sale includes a package assembly and a dispensing assembly. The package assembly includes an inner packaging portion and an outer packaging portion. The outer packaging portion defines a cylindrical cavity. The inner packaging portion is disposed within the cylindrical cavity. The inner packaging portion defines a cavity for receiving the irregularly shaped article. The inner packaging portion preferably includes at least one cylindrical portion matingly received within the outer packaging portion.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: March 13, 2001
    Assignee: Black & Decker Inc.
    Inventors: David A. Dunham, Kirsten M. Smith
  • Packaging container for a string trimmer
    Patent number: 5823339
    Abstract: A container has a back wall, a pair of opposing side walls extending from the back wall, and a front wall extending between the side walls to define a rectangular sleeve. Apertures are formed in the front wall to enable access within the sleeve. The apertures are separated from one another by a front wall portion. Also, a top and bottom band are formed at the ends of the container. At least one positioning member extends from the front wall. The positioning member extends toward the back wall to maintain an article in position within the container.
    Type: Grant
    Filed: July 25, 1996
    Date of Patent: October 20, 1998
    Assignee: Black & Decker Inc.
    Inventors: David A. Dunham, Robert G. Haskett, Paul Dennis Owings, Henry Louis Tew, Jeffrey B. Davis, Christopher E. Jacob, Maureen Wolthuis
  • Jack-up unit
    Patent number: 4512553
    Abstract: A jack-up unit for use in a body of water, said unit comprising a floatable hull, a plurality of legs, said legs being suitable for contacting a solid surface and for supporting said hull in an elevated position relative to the surface of said body of water, each of said legs including at least one longitudinally extending leg gear rack, means for moving said hull longitudinally relative to said legs for establishing said hull at a desired height relative to said legs, a guidance system on each leg comprising an upper guide member configurative around said leg at a close tolerance interval and a lower guide member configurative around said leg at a close tolerance level, and a plurality of gear rack sections located one proximate each leg intermediate said upper guide member and said lower guide member, each gear rack section moveable into and out of toothed engagement with said leg gear rack section on its respective leg, said toothed engagement including a gear tooth backlash in excess of said close toleran
    Type: Grant
    Filed: March 17, 1982
    Date of Patent: April 23, 1985
    Assignee: Red Fox Industries, Inc.
    Inventors: David A. Dunham, Robert P. Riggs, Rufus L. Burton, Jr.