Patents by Inventor Martin E Keller

Martin E Keller 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).

  • Device for connecting a placard to the rearview mirror of a motor vehicle and method of use
    Patent number: 8220188
    Abstract: A device for connecting a placard to the rearview mirror of a motor vehicle includes a hanger which connects to the stem of the rearview mirror. A placard holder has a first jaw and an opposite second jaw, the first and second jaws are shaped and dimension to removably receive the placard. The placard holder is removably connectable to the hanger. In embodiments of the invention, the placard holder is magnetically connected to the hanger, and the jaws of the placard holder are magnetically urged together to hold the placard.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: July 17, 2012
    Inventor: Martin E Keller