USPTO trademark record

QWIKCHECK

Live registered mark · Owner Mainstream Engineering Corporation · Classes 9

Mark details

Owner: Mainstream Engineering Corporation
Serial number: 74731278
Registration number: 1995635
Status: REGISTERED AND RENEWED
Classes: 9 (Software / electronics / downloadable media)
Filed: 1995-09-19
Registered: 1996-08-20
Goods / services: acid test device for in-field analysis of refrigerant

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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