Patents Assigned to Duracraft Corp.
  • Heater fan
    Patent number: D323382
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: January 21, 1992
    Assignee: Duracraft Corp.
    Inventor: Jui-shang Wang
  • Heater fan
    Patent number: D333866
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: March 9, 1993
    Assignee: Duracraft Corp.
    Inventor: Jui-Shang Wang
  • Combined electric fan housing and stand therefor
    Patent number: D354558
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: January 17, 1995
    Assignee: Duracraft Corp.
    Inventors: Robert Marvin, Richard O'Grady
  • Air cleaner
    Patent number: D355962
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: February 28, 1995
    Assignee: Duracraft Corp.
    Inventors: Bernard Chiu, Richard M. O'Grady, Jui-Shang Wang
  • Electric fan
    Patent number: D359116
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: June 6, 1995
    Assignee: Duracraft Corp.
    Inventors: Robert Marvin, Richard O'Grady