Patents by Inventor Walter Ringl

Walter Ringl 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: D633161
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: February 22, 2011
    Inventor: Walter Ringl
  • Patent number: D633586
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: March 1, 2011
    Inventor: Walter Ringl
  • Patent number: D633587
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: March 1, 2011
    Inventor: Walter Ringl
  • Patent number: D633973
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: March 8, 2011
    Inventor: Walter Ringl
  • Patent number: D633974
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: March 8, 2011
    Inventor: Walter Ringl
  • Patent number: D637232
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: May 3, 2011
    Inventor: Walter Ringl
  • Patent number: D637648
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: May 10, 2011
    Inventor: Walter Ringl