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on 15 Jan 2021
WESTLOCK CONTROLS CORPORATION
74022510 · 24 Jan 1990
20 Nov 2030
009
rotary position indicators for use with valve actuators to show valve ...
on 12 Sep 2020
WESTLOCK CONTROLS CORPORATION
77328207 · 13 Nov 2007
09 Sep 2030
009
Electronic controllers for use in opening and closing rotary valves fo...
on 07 May 2019
WESTLOCK CONTROLS CORPORATION
77368977 · 10 Jan 2008
18 Jun 2029
009
Network control position monitors for use in controlling process valve...
on 04 Dec 2017
WESTLOCK CONTROLS CORPORATION
78939770 · 28 Jul 2006
27 Dec 2027
009
Electrical controllers for monitoring and controlling valves and proce...
on 24 May 2019
WESTLOCK CONTROLS CORPORATION
85533464 · 03 Feb 2012
009
valve actuator accessories and industrial network interface devices, n...
on 12 Feb 2016
Westlock Controls Corporation
77345649 · 06 Dec 2007
009
Electrical controllers for monitoring valves and process equipment in ...
on 04 Aug 2007
Westlock Controls Corporation
75350823 · 03 Sep 1997
009
valves, namely, automated valves with solenoid control,LOCK AND LOAD,L...
on 04 Jan 2003
Westlock Controls Corporation
74368664 · 17 Mar 1993
009
electronic valve monitors,electronic valve monitors
on 31 Jul 2001
Westlock Controls Corporation
76004090 · 17 Mar 2000
042
Providing facility development for automated industrial valves and sof...
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Westlock controls corporation (1)
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