Patents by Inventor Ronald Markfelder

Ronald Markfelder 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).

  • Night light
    Patent number: D524461
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: July 4, 2006
    Inventors: Steven L. Molenaar, Ronald Markfelder
  • Pill box
    Patent number: D544202
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: June 12, 2007
    Assignee: Molenaar, Inc.
    Inventor: Ronald Markfelder
  • Night light
    Patent number: D545979
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: July 3, 2007
    Inventors: Steven L. Molenaar, Ronald Markfelder
  • Whistle clicker design
    Patent number: D556619
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: December 4, 2007
    Assignee: Molenaar, Inc.
    Inventor: Ronald Markfelder