Patents by Inventor Roy B. McKervey

Roy B. McKervey 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).

  • Apparatus for cleaning pool tile
    Patent number: 4780992
    Abstract: An apparatus for cleaning pool tile comprises the body of a string trimmer, an abrasion member detachably mounted at the end of the rotatable drive shaft of the string trimmer in place of the usual lawn care accessory, and a dispensing unit for delivering cleaning fluid to the surface of the abrasion member.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: November 1, 1988
    Inventor: Roy B. McKervey