Patents by Inventor Brian Patrick Putnam

Brian Patrick Putnam 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: 7163087
    Abstract: The disclosed invention is a portable vehicle lift for elevating a motor vehicle. The lift includes spaced apart beams which are positioned under the vehicle, each beam has a plurality of hinged strut pairs, each with associated threaded collars. Strut pairs are moved together or apart by directionally rotating a threaded shaft through the threaded collars. Supplemental lift springs may be positioned along the shaft to selectively engage and urge the strut pairs during operation.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: January 16, 2007
    Inventor: Brian Patrick Putnam