Patents by Inventor Franklin Donald Ruffin

Franklin Donald Ruffin 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).

  • BLIND KEY PAD
    Publication number: 20190138112
    Abstract: A key pad device provides the same function as a keyboard or keypad with a mistake proof design that allows one hand use and only requires three fingers. Each of the primary two fingers has nine pressure points, or keys, whose location is accessible by moving left to right, up and down, forward and back, side to side, and center. A thumb toggle can operate in one of three positions—up, down or not toggled.
    Type: Application
    Filed: January 3, 2019
    Publication date: May 9, 2019
    Inventor: Franklin Donald Ruffin
  • Blind key pad
    Patent number: 10203768
    Abstract: A key pad device provides the same function as a keyboard or keypad with a mistake proof design that allows one hand use and only requires three fingers. Each of the primary two fingers has nine pressure points, or keys, whose location is accessible by moving left to right, up and down, forward and back, side to side, and center. A thumb toggle can operate in one of three positions—up, down or not toggled.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: February 12, 2019
    Inventor: Franklin Donald Ruffin
  • BLIND KEY PAD
    Publication number: 20150084870
    Abstract: A key pad device provides the same function as a keyboard or keypad with a mistake proof design that allows one hand use and only requires three fingers. Each of the primary two fingers has nine pressure points, or keys, whose location is accessible by moving left to right, up and down, forward and back, side to side, and center. A thumb toggle can operate in one of three positions—up, down or not toggled.
    Type: Application
    Filed: September 20, 2013
    Publication date: March 26, 2015
    Inventor: Franklin Donald Ruffin