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sealvo.com · USPTO Trademark Record
https://sealvo.com/duct-doctor-74238543

Advertising; business management, organization and administration; office functions.
DUCT DOCTOR (Serial No. 74238543), Registration No. 1720661, is a abandoned US trademark filed on Jan 21, 1992 by IAQ, INC.. This trademark covers Class 035 (Advertising, business management & retail services).
First use anywhere: Sep 28, 1990
First use in commerce: Sep 28, 1990
Advertising; business management, organization and administration; office functions.
This description is as filed with the USPTO and defines the scope of trademark protection.
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