Patents by Inventor Steven P. MacDonald

Steven P. MacDonald 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).

  • Handrail
    Patent number: D509599
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: September 13, 2005
    Inventor: Steven P. MacDonald