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- Umlauf & Lehmann
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
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- Uncas Mfg. Co.
Country City Providence RI
Symbol arrow
Era c.1950, c.1943
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- Ungar, Berthold
Country Era 1867-1922
Symbol cartouche, frame, rectangle
Shape cartouche, frame, rectangle
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- Ungar, Friedrich
Country Era 1867-1922
Symbol cartouche, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Ungar, Isidor
Country Era 1867-1922
Symbol cartouche, frame, oval, v clipped
Shape cartouche, frame, oval, v clipped
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- Unger & Cristl
Country City Newark NJ
Era c.1915
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- Unger Bros.
Country Era 1878-1919
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
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- Unger, Franz
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
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- Ungrad, Josef
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
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- United Insignia Co. Inc.
Country City New York NY
Symbol banner, bird, eagle, wings
Era c.1950
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- United Jewelers Inc.
Country City New York NY
Era c.1934
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- United Mfg. Jewelers
Country City Des Moines IA
Symbol cartouche, frame, plant, triangle
Shape cartouche, frame, triangle
Era c.1915
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- United Society of Christian Endearvor
Country City Boston MA
Symbol arrow
Era c.1896
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- United States Chain Co.
Country City Long Island NY, New York NY
Era c.1922, c.1934
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- Universal Buckle MFG. CO.
Country City Chicago IL
Symbol hand
Era c.1922
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- Universal Chain Co. Inc.
Country City Maplewood NJ
Symbol globe
Era c.1950