USPTO trademark record

TONO-PEN

Live registered mark · Owner Mentor O&O Inc. · Classes 10

Mark details

Owner: Mentor O&O Inc.
Serial number: 74433637
Registration number: 1844281
Status: REGISTERED AND RENEWED
Classes: 10 (Medical devices)
Filed: 1993-09-08
Registered: 1994-07-12
Goods / services: hand held electronic tonometer for measuring the pressure within the eye

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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