Trademark Search & Tracking

Free access to the complete USPTO trademark database with advanced search and tracking capabilities.

Trademark Search

Enter at least 3 characters to search

Show trademark images

ON OFF

Serial Number

Registration Number

Owner/Applicant

Attorney Name

Trademark Status

Live

Dead

Mark Type

Select Classes

2 Records Found

Serial Number	Trademark	Classes	Legal Status	Rights Holder	Filing Date	Actions
73263162	DUPLI-KEY	—	710	Block and Company, Inc.	05/22/1980	Details
73151380	RALF F. PIEPHO RP ABWASSERTECHNIK GMBA	—	710	Ralf F. Piepho Abwassertechnik GmbH	03/29/1978	Details