Patents by Inventor Richard E. Gray

Richard E. Gray 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: 7835534
    Abstract: A preferred embodiment of portable lunchbox equipment that is particularly useful at construction and other jobsites is disclosed which provides important desirable features and functionality comprising a housing, at least one charger for charging a removable battery pack, an audio unit for producing an audio signal, a heating unit, an insulated compartment, a cooling unit for the compartment, a cord and plug for connecting said apparatus to a source of AC power, and circuitry for selectively applying power to the audio unit, the charger and the heating unit.
    Type: Grant
    Filed: July 18, 2006
    Date of Patent: November 16, 2010
    Assignee: Robert Bosch GmbH
    Inventors: Steven W. Cole, Jr., Richard E. Gray