Patents by Inventor Charles E. Willis, Sr.

Charles E. Willis, Sr. 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 installing and removing sink strainer nuts
    Patent number: 6899002
    Abstract: An apparatus for installing and removing a fastener such as a sink strainer nut includes a collar portion and a handle portion pivotally attached to the collar portion. The collar portion defines a plurality of cutouts and engaging surfaces for engaging with lugs on a sink strainer nut.
    Type: Grant
    Filed: September 18, 2003
    Date of Patent: May 31, 2005
    Inventor: Charles E. Willis, Sr.