Patents Assigned to Carl K. Long
  • Patent number: 4798060
    Abstract: An improved portable evaporative cooler utilizes a motor-driven rotatable impeller assembly comprising an evaporator pad mounted on a support as the sole means for driving air to be cooled through the apparatus.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: January 17, 1989
    Assignee: Carl K. Long
    Inventors: Carl K. Long, George E. Kozel