Patents by Inventor Donald J. Rooker

Donald J. Rooker 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: 6047748
    Abstract: A new sandbag filling aiding device for providing a means for quickly filling a sandbag with sand. The inventive device includes a funnel member with an inner surface defining a duct between its ends. On the outer surface of the funnel member is a hooking member for holding a portion of a bag placed over the bag filling end of the funnel member. The funnel member is mounted to the mounting portion of a support member that has three elongate legs downwardly and outwardly extending from the mounting portion.
    Type: Grant
    Filed: October 22, 1997
    Date of Patent: April 11, 2000
    Inventor: Donald J. Rooker