Patents Assigned to Microcold Technologies, Inc.
  • Self-chilling food or beverage container
    Patent number: 5394703
    Abstract: A portable, self contained heating or cooling apparatus for a beverage can is disclosed. A vortex tube is provides which supplies the needed heating or cooling effect to the beverage in the can.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: March 7, 1995
    Assignee: Microcold Technologies, Inc.
    Inventor: Michael Anthony