Patents Assigned to Circland Corp.
  • Air cleaner
    Patent number: D392378
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: March 17, 1998
    Assignee: Circland Corp.
    Inventor: Hisashi Sato
  • Air cleaner
    Patent number: D416318
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: November 9, 1999
    Assignee: Circland Corp.
    Inventor: Hisashi Sato
  • Air cleaner
    Patent number: D428980
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: August 1, 2000
    Assignee: Circland Corp.
    Inventor: Hisashi Sato