Patents by Inventor William F. Hardin, Sr.

William F. Hardin, Sr. 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).

  • Computerized handwriting duplication system
    Patent number: 4817034
    Abstract: A computerized handwriting duplication system includes a general purpose, programmable, digital microcomputer having a buffer memory, a program memory for a computer program, and a memory for storing the digital representation of the coordinates of a signature. The system also includes a digitizer pad for providing to the microcomputer as raw data the X and Y coordinates of points travelled by a pen writing a signature thereon and for providing a keyboard-type of input information to the microcomputer.
    Type: Grant
    Filed: February 11, 1986
    Date of Patent: March 28, 1989
    Assignee: E.S.P. Systems, Inc.
    Inventors: William F. Hardin, Sr., William M. Mack, Jr.