Patents by Inventor Steven K. Arnold

Steven K. Arnold 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).

  • Magnetic door lock
    Patent number: D507472
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: July 19, 2005
    Inventor: Steven K. Arnold
  • Transformer case
    Patent number: D358580
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: May 23, 1995
    Inventor: Steven K. Arnold