Patents by Inventor James D. Woltz

James D. Woltz 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).

  • Refrigerated apparatus
    Patent number: 6293124
    Abstract: A refrigerated serving device is disclosed. The refrigerated serving device is portable. It includes a food chilling area. A compressor is operatively connected to an evaporator coil and a condenser coil forming a refrigeration unit which maintains the food chilling area at a desired temperature.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: September 25, 2001
    Assignee: DeLau Innovations, Ltd.
    Inventors: Robin P. Roth, David E. Roth, James D. Woltz
  • Refrigerated serving device
    Patent number: 6244067
    Abstract: A refrigerated serving device is disclosed. The refrigerated serving device is portable. It includes a food chilling area. A compressor is operatively connected to an evaporator coil and a condenser coil forming a refrigeration unit which maintains the food chilling area at a desired temperature.
    Type: Grant
    Filed: January 7, 1998
    Date of Patent: June 12, 2001
    Assignee: DeLau Innovations, Ltd.
    Inventors: Robin P. Roth, David E. Roth, James D. Woltz
  • Refrigerated serving device
    Patent number: 5722254
    Abstract: A refrigerated serving device is disclosed. The refrigerated serving device is portable. It includes a food chilling area. A compressor is operatively connected to an evaporator coil and a condenser coil forming a refrigeration unit which maintains the food chilling area at a desired temperature.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: March 3, 1998
    Assignee: DeLau Innovations, Ltd.
    Inventors: Robin P. Roth, David E. Roth, James D. Woltz