Patents by Inventor Michael D. Weldy

Michael D. Weldy 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).

  • Arch corner bead
    Patent number: 5048247
    Abstract: An elongated "L" shaped plastic drywall corner strip containing two flat legs joined to form an acute angle, one of which is kerfed repeatedly to increase flexibility and allow installation over inside and outside arches, the outside of the legs having a surface to which joint compound adheres, and a solid bead overarching and/or interior arching the point of junction of the legs.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: September 17, 1991
    Inventor: Michael D. Weldy
  • Three way; 2-90° outside, 1-135° inside, bullnose corner
    Patent number: D501050
    Type: Grant
    Filed: February 7, 2003
    Date of Patent: January 18, 2005
    Assignee: Pla-Cor Incorporated
    Inventors: Lewis J. Hein, Derrell J. Weldy, Michael D. Weldy
  • Three way; 1-90° outside, 2-90° inside, bullnose corner
    Patent number: D486920
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: February 17, 2004
    Assignee: Pla-Cor, Incorporated
    Inventors: Lewis J. Hein, Derrell J. Weldy, Michael D. Weldy
  • Three way; 2-90° inside, 1-135° outside, bullnose corner
    Patent number: D487156
    Type: Grant
    Filed: February 11, 2003
    Date of Patent: February 24, 2004
    Assignee: Pla-Cor, Incorporated
    Inventors: Lewis J. Hein, Derrell J. Weldy, Michael D. Weldy
  • Three way; 2-90° outside, 1-90° inside, bullnose corner
    Patent number: D487520
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: March 9, 2004
    Assignee: Pla-Cor, Incorporated
    Inventors: Lewis J. Hein, Derrell J. Weldy, Michael D. Weldy