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on 12 Jun 2024
SIGMUND COHN CORP.
72427240 · 14 Jun 1972
09 Apr 1984
026
PLATINUM RESISTANCE THERMOMETER WIRE
on 02 May 2023
Sigmund Cohn Corp.
86699454 · 21 Jul 2015
21 Apr 2026
040
Custom manufacture of precious and base metal products, and their allo...
on 25 Feb 2023
Sigmund Cohn Corp.
86699678 · 21 Jul 2015
18 Aug 2026
040
Precious metal coin blank production for others,The mark consists of t...
on 06 Oct 2022
Sigmund Cohn Corp.
86699374 · 21 Jul 2015
21 Apr 2026
014
LOW RESISTIVITY EIGHTY,alloy consisting primarily of gold and also con...
on 29 Sep 2022
Sigmund Cohn Corp.
86699945 · 21 Jul 2015
21 Apr 2026
006
Alloy of platinum, rhodium, ruthenium used in the manufacture of wires...
on 22 Feb 2022
Sigmund Cohn Corp.
76135559 · 26 Sep 2000
15 Nov 2011
006
014
common metals, namely, iridium, ruthenium, palladium, rhodium, tungste...
on 20 Sep 2017
SIGMUND COHN CORP.
72254398 · 13 Sep 1966
24 Oct 1977
021
Column 2, line 1 "Teflon" should be deleted, and "fluoroethylene film ...
on 10 Jul 2015
SIGMUND COHN CORP.
73456293 · 09 Dec 1983
04 Jul 1995
009
"ALLOY",FINE BARE AND COATED ELECTRIC WIRE CONSISTING OF AN ALLOY OF T...
on 15 Jan 2015
Sigmund Cohn Corp.
73456294 · 09 Dec 1983
13 Dec 1994
009
Fine Bare and Coated Precious Metal Alloy Electric Wire
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