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on 23 Oct 2023
HOUGHTON TECHNICAL CORP.
71333156 · 17 Dec 1932
02 May 2033
015
STAY-PUT,LUBRICATING OILS AND GREASES,The drawing is amended to appear...
on 30 Sep 2023
Houghton Technical Corp.
87184854 · 27 Sep 2016
05 Apr 2027
001
Etching acids; etching alkalines,HOUGHTON-ETCH
on 30 Sep 2023
Houghton Technical Corp.
87156983 · 31 Aug 2016
05 Apr 2027
009
GREEN LIGHT,Fluid monitor, namely, self-contained measurement system f...
on 15 Sep 2023
Houghton Technical Corp.
85485348 · 01 Dec 2011
03 Jan 2033
002
"RUST",Rust preventatives in the nature of coatings; corrosion inhibit...
on 12 Aug 2023
Houghton Technical Corp.
85485341 · 01 Dec 2011
02 Aug 2032
001
Power transmission fluids, namely, hydraulic fluids of non-hydrocarbon...
on 12 Apr 2023
Houghton Technical Corp.
71451677 · 17 Mar 1942
20 Oct 2032
006
The drawing is amended to appear as follows: COSMOLINE,Rust and Corros...
on 19 Jan 2023
Houghton Technical Corp.
86431525 · 22 Oct 2014
05 Jan 2026
001
Tempering substances
on 28 Dec 2022
Houghton Technical Corp.
86431857 · 22 Oct 2014
05 Jan 2026
001
Tempering substances,"TEMP"
on 07 Apr 2022
HOUGHTON TECHNICAL CORP.
75839686 · 03 Nov 1999
11 Dec 2031
004
Industrial lubricants,HYDRO DRAW
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