Patents by Inventor Darwin Eakins

Darwin Eakins 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).

  • Opinion sampling device
    Patent number: 5038367
    Abstract: A polling device (10) includes a housing (12), pushbuttons (14, 16) mounted on the housing for receiving customer responses to an inquiry, circuitry for counting and storing the number of times each pushbutton (14, 16) is depressed, and a time delay circuit for disabling the counting circuitry for a predetermined period of time after one of the pushbuttons has been depressed for discouraging repetitive voting. A display unit (46) for reading and displaying the number of times each pushbutton (14, 16) has been depressed is also provided.
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: August 6, 1991
    Inventors: William Casey, Darwin Eakins