Patents by Inventor Frederick A Prince

Frederick A Prince 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).

  • Patent number: 8444157
    Abstract: A wheel set attachment is used in combination with floor maintenance equipment, such as buffers, sanders, grinders, cleaners, etc. (“buffer”), which are typically equipped with small diameter wheels which make transport difficult. The wheel set attachment is conducive for conveying the device up flights of stairs, over obstacles, or conveying the device any appreciable distance. The wheel set attachment of the present invention easily attaches to the buffer without the need for tools and is quickly removed. Once installed, the wheel set attachment is stable and provides a pair of wheels which function as though integral to the buffer.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: May 21, 2013
    Inventors: Mark Pryor, Frederick A Prince
  • Publication number: 20100251513
    Abstract: A wheel set attachment is used in combination with floor maintenance equipment, such as buffers, sanders, grinders, cleaners, etc. (“buffer”), which are typically equipped with small diameter wheels which make transport difficult. The wheel set attachment is conducive for conveying the device up flights of stairs, over obstacles, or conveying the device any appreciable distance. The wheel set attachment of the present invention easily attaches to the buffer without the need for tools and is quickly removed. Once installed, the wheel set attachment is stable and provides a pair of wheels which function as though integral to the buffer.
    Type: Application
    Filed: April 6, 2010
    Publication date: October 7, 2010
    Inventors: Mark Pryor, Frederick Prince