Patents Examined by Amelia Santiago
  • Air freshener device cartridge
    Patent number: 5234162
    Abstract: An air freshener device (10) having a cartridge (14) and a cartridge housing (16) is disclosed. The housing (16) has a sealed first cavity (18) and a sealed second cavity (20) having a first fragrance (22) and a second fragrance (24), respectively. First and second cavities (18) and (20) have first and second opening (34) and (54) respectively. The device (10) includes a housing (12) having air passage openings (70), (76), (78), a fan (82) and power means (80) and also supports cartridge (14).
    Type: Grant
    Filed: November 26, 1991
    Date of Patent: August 10, 1993
    Assignee: Ecolab Inc.
    Inventor: William E. Sullivan