Filters
on 14 Mar 2017
UNITED AIR SPECIALISTS, INC.
72235249 · 27 Dec 1965
21 Mar 1977
021
SMOKEATER,ELECTRONIC SPACE AIR FILTERING DEVICES FOR FILTERING IMPURIT...
on 31 Jul 2015
United Air Specialists, Inc.
78321134 · 30 Oct 2003
28 Jul 2015
009
011
Air cleaners for industrial and commercial use; and electronic air fil...
on 15 Oct 2021
UNITED AIR SPECIALISTS, INC.
73775658 · 23 Jan 1989
009
TOTAL STATIC,ELECTROSTATIC APPARATUS FOR APPLYING LIQUID TO SUBSTRATES...
on 05 Feb 2016
United Air Specialists, Inc.
74119562 · 30 Nov 1990
011
industrial mechanical dust collectors and parts therefor,industrial me...
on 22 Jan 2016
United Air Specialists, Inc.
74059090 · 15 May 1990
011
air-to-air heat exchangers,Fresh Exchanger,air-to-air heat exchangers,...
on 09 May 2009
UNITED AIR SPECIALISTS, INC.
72284974 · 16 Nov 1967
021
ELECTRONIC SPACE AIR FILTERING UNITS FOR FILTERING IMPURITIES FROM AIR...
on 07 Mar 2009
UNITED AIR SPECIALISTS, INC.
72263417 · 26 Jan 1967
021
CRYSTAL-AIR,ELECTRONIC AIR FILTRATION AND CLEANING APPARATUS,CRYSTAL-A...
on 10 Oct 2008
United Air Specialists, Inc.
75230948 · 24 Jan 1997
009
electrostatic oil cleaning machines,CLEAN TECHNOLOGIES,electrostatic o...
on 13 Jul 2008
United Air Specialists, Inc.
77258972 · 20 Aug 2007
011
Air filter components, namely, filtration media surface treatments,Air...
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