Patents by Inventor Paul Groll

Paul Groll 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).

  • Ribbed dowel
    Patent number: 6742976
    Abstract: A ribbed dowel for aligning workpieces is disclosed including a cylindrical body having an outer surface, a first end, and a second end, a plurality of ribs spaced over the outer surface, a round circular first face on the first end, a round circular second face on the second end, and wherein the ribbed dowel is composed of a material other than a polypropylene homopolymer having a density of 0.905 g/cm3, a melt flow rate of 60 g/10 min, a Rockwell hardness of 107, a Durometer hardness of 84, and a melting point of 330° F.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: June 1, 2004
    Inventor: Paul Groll
  • Ribbed dowel
    Publication number: 20030095853
    Abstract: A ribbed dowel for aligning workpieces is disclosed including a cylindrical body having an outer surface, a first end, and a second end, a plurality of ribs spaced over the outer surface, a round circular first face on the first end, a round circular second face on the second end, and wherein the ribbed dowel is composed of a material other than a polypropylene homopolymer having a density of 0.905 g/cm3, a melt flow rate of 60 g/10 min, a Rockwell hardness of 107, a Durometer hardness of 84, and a melting point of 330° F.
    Type: Application
    Filed: June 21, 2002
    Publication date: May 22, 2003
    Inventor: Paul Groll
  • Ribbed dowel
    Publication number: 20030095852
    Abstract: A ribbed dowel for aligning workpieces comprising a cylindrical body having an outer surface, a first end, and a second end; a plurality of ribs spaced over said outer surface; a round circular first face on said first end; a round circular second face on said second end; and wherein the said ribbed dowel is composed substantially of polyethylene.
    Type: Application
    Filed: November 20, 2001
    Publication date: May 22, 2003
    Inventor: Paul Groll