Patents by Inventor Sherman Marquardt

Sherman Marquardt 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).

  • Insulated foot pad for a tripod
    Patent number: 8998164
    Abstract: An insulated foot pad for a tripod has an insulated block sandwiched between two plates. The plates are made of a material that is a poor conductor of heat. Tripod legs placed on the foot pads will not sink into the snow on sunny days nor into warm asphalt on hot days.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: April 7, 2015
    Inventors: Sherman Marquardt, Gary Byers
  • Insulated Foot Pad for a Tripod
    Publication number: 20110147558
    Abstract: An insulated foot pad for a tripod has an insulated block sandwiched between two plates. The plates are made of a material that is a poor conductor of heat. Tripod legs placed on the foot pads will not sink into the snow on sunny days nor into warm asphalt on hot days.
    Type: Application
    Filed: December 23, 2010
    Publication date: June 23, 2011
    Inventors: Sherman Marquardt, Gary Byers