Patents by Inventor Warren A. Campbell, III

Warren A. Campbell, III 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: 6098326
    Abstract: A locator sign system for identifying a house, office or other location, mounted in a window, inside the location. The system comprising a light box display housing with a front panel; a sign panel; a sash clip; a hanging cord; and a lighting assembly panel. The light box uses 125 volt AC house current to power low voltage miniature lights, which are mounted by clips on the panel. The lights projecting light beams from the top of the housing, and projecting light through any one of translucent pre-printed sign panels of varying messages for identifying the location at increased distances therefrom. Typically, the illuminated sign system can be operated in ON, OFF or BLINK modes by a three position switch and blinker bulb which can be automated by addition of a 125 volt AC house timer. The system operates for the purpose of attracting attention to the location for deliveries, emergencies, house number, messages, greetings, advertisements, decoration and the like.
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: August 8, 2000
    Assignee: Century 2000, Ltd.
    Inventor: Warren A. Campbell, III
  • Patent number: 4440321
    Abstract: A receptacle and cover assembly for collecting lawn debris and the like and including structure for assisting transfer of compacted contents of the receptacle to expendable lawn trash bags and the like, comprising a main receptacle body section in the shape of an upwardly opening container having a skirt-like lower edge formation at the bottom of the receptacle body section for supporting it in upright position, and a removable cover member for the receptacle body section. The body section has a centrally open outer bottom wall portion extending inwardly from the side wall at a position spaced slightly above the lower edge formation providing a shelf-like ledge extending inwardly from the side wall, and a moveable bottom panel member forming a discharge assist piston which rests on shelf-like ledge formation and collectively therewith forms the bottom of the receptacle.
    Type: Grant
    Filed: June 16, 1982
    Date of Patent: April 3, 1984
    Assignee: Hilldale Enterprises
    Inventors: Robert G. Campbell, Warren A. Campbell, III