Patents by Inventor Melvin Douglas McCall

Melvin Douglas McCall 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).

  • Optical reading device stand
    Patent number: D568327
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: May 6, 2008
    Assignee: Hand Held Products, Inc.
    Inventors: Timothy Robert Fitch, Melvin Douglas McCall
  • Optical reading device
    Patent number: D580939
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: November 18, 2008
    Assignee: Hand Held Products, Inc.
    Inventors: Timothy Robert Fitch, Melvin Douglas McCall