Patents by Inventor Warren A. Burtis

Warren A. Burtis 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).

  • Grout tool
    Patent number: 5366116
    Abstract: A hand-held grout-dispensing tool having a body portion defining a generally triangular envelope member made of a flexible and expandable elastic material, an open but sealable-by-folding top edge, a grip portion on one lower edge, and a spout portion enabling adjustable dispensing of grout.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: November 22, 1994
    Inventor: Warren A. Burtis
  • Grout tool
    Patent number: 5222630
    Abstract: A hand-held grout-dispensing tool having a body portion defining an expandable generally triangular envelope member, an open but sealable by folding reinforced top edge, a grip portion on one lower edge, and a tapered, flexible spout portion enabling adjustable dispensing of grout.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: June 29, 1993
    Inventor: Warren A. Burtis