Patents by Inventor Charles Martin McCray

Charles Martin McCray 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).

  • Coin roll opening device
    Patent number: 5746103
    Abstract: A cash drawer having a coin roll opening device for opening a roll of coins quickly, conveniently and safely. The device includes a cash drawer having guides for receiving a coin roll. The cash drawer further includes a receptacle for receiving a blade assembly. The blade assembly having a blade and a blade holder. The blade assembly easily inserted and removed from the receptacle by use of the flexible arms of the blade holder. The blade holder is formed by two identical halves each having a male post, a post slot, a snap post and a snap arm for securing the blade. The blade having notches for receiving the male posts.
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: May 5, 1998
    Assignee: International Business Machines Corporation
    Inventors: Danny Hugh Addison, George Hufford, III, Charles Martin McCray, Kevin L. Schultz, Craig Walton Turner