Patents by Inventor Warner J. G. Cudmore

Warner J. G. Cudmore 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).

  • Grass protecting walkway grid
    Patent number: 4596731
    Abstract: A grass protecting walkway having a substantially flat elongated grid-like structure which defines a plurality of polygonal apertures is disclosed. The grid allocates its bottom and top planar surface areas approximately equally between the surface area of the apertures and the surface area of structured cross members.
    Type: Grant
    Filed: September 17, 1984
    Date of Patent: June 24, 1986
    Inventors: Warner J. G. Cudmore, Doug O. Vilven, H. Keith Cudmore
  • Polyethylene terephthalate saponification process
    Patent number: 4578502
    Abstract: Solid scrap polyethylene terephthalate (PET) resin may be reprocessed by depolymerizing said scrap in the presence of water or methanol, recovering the monomers resulting from the depolymerization reaction and repolymerizing the monomers to form polymeric polyethylene phthalate.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: March 25, 1986
    Inventor: Warner J. G. Cudmore