Patents by Inventor David J. Burch

David J. Burch 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: 4546903
    Abstract: A portable car wash unit comprises a first pressurized liquid reservoir and a second detergent reservoir removably secured to the pressurized liquid reservoir. The unit includes a motor compressor unit which communicates with the interior of the first liquid reservoir so as to pressurize the fluid content therein.
    Type: Grant
    Filed: June 23, 1983
    Date of Patent: October 15, 1985
    Inventor: David J. Burch