Patents by Inventor Stephen R. Cottrell

Stephen R. Cottrell 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: 5465084
    Abstract: A method for controlling access to an area or an object consisting of storing in a memory library one or more predefined patterns of computer generated elements consisting of alphanumeric characters, symbols, and/or colors which can authorize access whereby a person requesting access can submit a pattern so that a device can compare the requestor's pattern with the predefined patterns in the memory library. If a match is found, the requestor is granted access to the controlled area or object.
    Type: Grant
    Filed: September 22, 1994
    Date of Patent: November 7, 1995
    Inventor: Stephen R. Cottrell