Patents by Inventor Tim R. Greenwood

Tim R. Greenwood 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: 7144313
    Abstract: An abrasive sheet dispenser for aligning and attaching hook and loop backed abrasive sheets onto abrading tools, which utilize vacuum holes incorporated into the backup pad and into its corresponding abrasive sheet. In a preferred embodiment, the dispenser has an injection molded universal base having a plurality of guide hole locations. Each group of guide hole locations is connected by a guide screw channel. The dispenser has a plurality of injection mold guides and a plurality of guide screws. The guides are of a height as to support a plurality of abrasive sheets and fastened onto the universal base by inserting the guide screws through the guide holes in the universal base from underneath and screwing into the bottom center of guides. The guides are adjustable allowing them to be aligned with various vacuum hole patterns and sizes of abrasive sheets by sliding each guide along the guide screw channel to another guide hole location within that group.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: December 5, 2006
    Inventor: Tim R. Greenwood