USPTO trademark record

TOP-TRAK

Live registered mark · Owner Sierra Instruments, Inc. · Classes 9

Mark details

Owner: Sierra Instruments, Inc.
Serial number: 75307434
Registration number: 2189158
Status: REGISTERED AND RENEWED
Classes: 9 (Software / electronics / downloadable media)
Filed: 1997-06-11
Registered: 1998-09-15
Goods / services: fluid mass flow measurement and control apparatus for use in flow validation and calibration applications, and in laboratory, test and analytical applications

Register data indexed 2026-11-07. Bulk records trail live filings — check the official USPTO search for the latest status before filing.

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