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sealvo.com · USPTO Trademark Record
https://sealvo.com/caltega-77777471
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Applicant
OGLEBAY NORTON INDUSTRIAL SANDS, INC.Corporation
CA
11 Stanwix Street, Pittsburgh, PA, 15222
US
Attorney
WILLIAM G. KRATZ, JR. KRATZ, QUINTOS & HANSON, LLP
09020
4232 BROWNSVILLE RD STE 308, PITTSBURGH, PA 15227-3330, UNITED STATES