Patents by Inventor Donald R. Kelly

Donald R. Kelly 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).

  • Adjustable threshold protective cover with removable sections
    Patent number: 6269591
    Abstract: An adjustable threshold protector to be used during the construction of a house or building is an apparatus made of durable material covering the threshold, removably attached to the threshold and which can be adjusted in width and length by removable sections to fit a wide variety of doorway thresholds.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: August 7, 2001
    Inventor: Donald R. Kelly
  • Threshold protective cover
    Patent number: 6216395
    Abstract: A threshold protector to be used during the construction of a house or building is an apparatus made of durable material covering the threshold, contacting the back and front of the threshold and removably attached to the threshold.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: April 17, 2001
    Inventor: Donald R. Kelly