ALEXANDRIA, Va., April 28 -- The United States Patent and Trademark Office (USPTO) published about the trademark 'KEYSTONE' in its latest official gazette. The trademark application with the serial number 99503772 was filed on Nov. 18, 2025.
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Goods and Services: 10 - Orthopedic joint implants made of artificial materials; Surgical instruments for use in orthopedic surgery
International/US Class(es): 10
Mark Drawing Code: 4 - STANDARD CHARACTER MARK
Current Owner(s): Maxx Orthopedics, Inc. 2460 General Armistead Avenue, #100 Norristown PA Pennsylvania 19403 3 CORPORATION
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