USPTO trademark record

A4TECH

Live registered mark · Owner CHENG, KUO-SHU · Classes 9

Mark details

Owner: CHENG, KUO-SHU
Serial number: 77355168
Registration number: 3609754
Status: REGISTERED AND RENEWED
Classes: 9 (Software / electronics / downloadable media)
Filed: 2007-12-18
Registered: 2009-04-21
Goods / services: COMPUTER KEYBOARDS; WIRELESS KEYBOARDS; TOUCH-SENSITIVE INPUT DEVICES FOR COMPUTERS; OPTICAL FINGERPRINT READERS; COMPUTER MICE; COMPUTER INPUT-OUTPUT RECORDERS; MOUSE PADS; COMPUTER CURSOR CONTROL D…

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

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