ALEXANDRIA, Va., July 3 -- The United States Patent and Trademark Office (USPTO) published about the trademark 'KEYSTONE LONGEVITY' in its latest official gazette. The trademark application with the serial number 99552947 was filed on Dec. 17, 2025.
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Goods and Services: 5 - Dietary supplements for fostering active and healthy longevity; Nutritional supplements for fostering active and healthy longevity
International/US Class(es): 5
Mark Drawing Code: 4 - STANDARD CHARACTER MARK
Current Owner(s): Keystone Longevity, LLC 6118 S Maryland Ave Springfield MO Missouri 65810-3031 16 LIMITED LIABILITY COMPANY
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