Plural Impeller Units, E.g., Side By Side, Etc. Patents (Class D23/380)
  • Bed mounted fan
    Patent number: D315203
    Type: Grant
    Filed: September 14, 1989
    Date of Patent: March 5, 1991
    Inventor: Mike Meyers
  • Track mounted fan unit
    Patent number: D328786
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: August 18, 1992
    Inventor: Stephen Obson