Patents by Inventor Robert Krumholz

Robert Krumholz 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).

  • Dustless drywall finisher
    Patent number: 4955748
    Abstract: A dustless drywall finisher, is disclosed. The finisher contains a rigid handle portion containing a liquid, a sponge portion pivotally mounted to the rigid handle portion, and a flexible hollow hose transporting the liquid from the rigid handle portion to the sponge portion so that the sponge portion and the rigid handle portion still remain mutually pivotable with regards to each other and allow the liquid to prevent the formation of airborne dust.
    Type: Grant
    Filed: July 26, 1989
    Date of Patent: September 11, 1990
    Inventor: Robert Krumholz