Patents by Inventor Roland B. Knapton

Roland B. Knapton 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).

  • Key ring tool
    Publication number: 20090235705
    Abstract: An improved key ring tool for adding or removing keys or accessories. The new design will attach and detach from the key ring without spreading the key ring, remain attached to the ring and help to locate specific keys via the visual location of the device.
    Type: Application
    Filed: March 17, 2009
    Publication date: September 24, 2009
    Inventor: Roland B. Knapton
  • Key ring tool
    Patent number: D621672
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: August 17, 2010
    Inventor: Roland B. Knapton
  • Key ring tool
    Patent number: D622562
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: August 31, 2010
    Inventor: Roland B. Knapton