USPTO trademark record

CHANG

Live registered mark · Owner Irvine Scientific Sales Co., Inc. · Classes 5

Mark details

Owner: Irvine Scientific Sales Co., Inc.
Serial number: 74218363
Registration number: 1776200
Status: REGISTERED AND RENEWED
Classes: 5 (Pharmaceuticals)
Filed: 1991-11-04
Registered: 1993-06-15
Goods / services: tissue culture medium

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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