Patents by Inventor Robert F. Collings

Robert F. Collings 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).

  • Electronic cash register
    Patent number: 4027140
    Abstract: An electronic cash register having an inverted U-shaped housing with at least two, spaced, downwardly extending side members. A cash till is positioned between the side members of the housing and is movably mounted with respect to the housing. The cash till forms at least a portion of the bottom of the cash register. In the preferred embodiment, the cash register keyboard data entry means, electrical signal processing means and output display means are mounted on and electrically interconnected by a single printed circuit board that is secured with respect to the register housing.
    Type: Grant
    Filed: April 15, 1975
    Date of Patent: May 31, 1977
    Assignee: Data Terminal Systems, Inc.
    Inventors: Hugh Fowler, Murray A. Ruben, Richard L. Dumais, Robert F. Collings