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sealvo.com · USPTO Trademark Record
https://sealvo.com/derived-channel-multiplex-74437859

Construction services; installation and repair services; mining extraction, oil and gas drilling.
DERIVED CHANNEL MULTIPLEX (Serial No. 74437859), Registration No. 1937727, is a abandoned US trademark filed on Sep 20, 1993 by NUMEREX CORP.. This trademark covers Class 037 (Construction, installation & repair services).
First use anywhere: Jan 31, 1991
First use in commerce: Jan 31, 1991
Construction services; installation and repair services; mining extraction, oil and gas drilling.
This description is as filed with the USPTO and defines the scope of trademark protection.
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