Patents by Inventor Robert E. Greig

Robert E. Greig 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: 4515103
    Abstract: Footwear, tires and apparatus for manufacturing the same. The articles have untreated traction grooves formed therein and friction-providing surfaces contiguous to said traction grooves. Apparatuses for producing the respective articles include a fiberglass mat or equivalent upon which adhesives and abrasives are embedded on sandpaper manufacturing equipment and further includes a piercing cut out means the cuts out footwear soles from the treated mat to suit design. Apparatus for producing tires having traction and friction surfaces is housed within a pit or well so that a vehicle may be driven into position thereatop so that such apparatus may treat the vehicles tires as desired by harnessing the weight of the vehicle to achieve the desired embedding.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: May 7, 1985
    Inventor: Robert E. Greig