| DUST FREE DUST FREE, INC.
74342087 18 Dec 1992 | on 12 Jun 2024
| air purifying and filtering units for commercial, domestic and industr... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) air purifying and filtering units for commercial, domestic and industrial use | | | AQS Dust Free, Inc.
74350835 21 Jan 1993 | on 27 Apr 2015
| filtration equipment comprising air purifying and filtering units for ... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) filtration equipment comprising air purifying and filtering units for commercial and industrial use | | | HALO DUST FREE, INC.
85817668 08 Jan 2013 | on 12 Jun 2014 | Apparatus for the treatment of air by means of ionization, ultraviolet... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) Apparatus for the treatment of air by means of ionization, ultraviolet light exposure, and photocatalytic cell technology | | | AIRFITNESS Dust Free, Inc.
74341994 18 Dec 1992 | on 23 Nov 2001 | air purifing and filtering units for commercial and domestic use,air p... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) air purifing and filtering units for commercial and domestic use | | | ALLERGY FIGHTER Dust Free, Inc.
74341249 18 Dec 1992 | on 15 Dec 2000 | air filters for domestic use and for commercial installations,air filt... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) air filters for domestic use and for commercial installations | |