Patents by Inventor David W. Cox

David W. Cox 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: 7108183
    Abstract: The present invention provides a system and method for the verification of the purchase of a retail item wherein an encoding device provides a machine-readable post-purchase indicia on the label for a retail item at the point of sale of the retail item. When a customer returns the retail item for a refund or exchange, a detecting device analyzes the label for the presence of the post-purchase indicia. Presence of the post-purchase indicia indicates a legitimate exchange whereas the absence of the post-purchase indicia signifies a fraudulent exchange.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: September 19, 2006
    Inventor: David W. Cox, Jr.
  • Publication number: 20040205287
    Abstract: Information regarding the quality of performance of a plurality of suppliers that each supply goods to a vendor is generated by initially gathering data regarding the quality of performance of the plurality of suppliers in a plurality of different computer databases, some of all of which may be incompatible. The gathered data from the plurality of different computer databases is stored in a central controller. Then, the stored data in the central controller converted into a compatible format and stored in a single database. From that single database, information regarding the quality of performance of a plurality of suppliers can be generated.
    Type: Application
    Filed: July 18, 2003
    Publication date: October 14, 2004
    Inventors: Steven D. Joder, David W. Cox, Anthony J. Baugh
  • Patent number: 6527991
    Abstract: A method of manufacturing a foamed article includes embossing or otherwise impressing a three dimensional pattern into a surface of an article formed from a polymer composition with a blowing agent. The three dimensional pattern is formed prior to activation of the blowing agent and curing of the article. The article is then heated to activate the blowing agent and cure the material. The final article retains the three dimensional pattern in its expanded form.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: March 4, 2003
    Assignee: RBX Industries, Inc.
    Inventors: Lynn A. Bakker, David W. Cox, Erle J. Medford, James D. Symes
  • Patent number: 4899409
    Abstract: A manual tool for preparing tube ends and/or pipe ends for jointure is provided, to perform the functions of scraping for cleaning, scarifying, deburring and abrading to remove grit and foreign matter such as solder, solder drops, chemical substances, or other debris on the outer and/or inner surfaces of the ends of tubing, pipe fittings and the like, prior to connection of said tubing, pipe and fittings by welding, soldering, etc. A plurality of tool units are detachably connected to a manual tool comprising a tool body adapted to fit readily and confortably in the hand of a user, said tool body having a generally circular shape. The tool units may comprise: external brush units, internal brush units, external sharpened blade units, internal metal blades or ribs having sharpened edges and the like or other desirable tool units having sharpened edges, abrasive surfaces, and the like to perform the desired cleaning, scarifying, scraping, etc.
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: February 13, 1990
    Inventor: David W. Cox, Jr.