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- International Jewelry Workers Union of America
Country City New York NY
Symbol acorns
Era c.1896, c.1915
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- International Silver Co.
Country Era e.1898
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
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- Irons & Russell Inc.
Country City Providence RI
Symbol cartouche, diamond, frame, kite, lozenge
Shape cartouche, diamond, frame, kite, lozenge
Era c.1896 c.1934 c.1950, c.1943
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- Irving Novelty Corp.
Country City New York NY
Symbol banner, cartouche, flag, frame, triangle
Shape cartouche, frame, triangle
Era c.1934
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- Iskin Mfg. Co. Inc.
Country City Philadelphia PA
Symbol cartouche, circle, frame, laurel, seal
Shape cartouche, circle, frame
Era c.1950, c.1943
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- Isser, Salomon
Country Era 1867-1922
Symbol cartouche, dot ., frame, oval
Shape cartouche, frame, oval
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- Isser, Sigmund
Country Era 1867-1922
Symbol cartouche, frame, rectangle
Shape frame, rectangle
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- Itjeshorst, W.F.
Country City Sassenheim
Symbol cartouche, frame, hexagon, plus +
Shape cartouche, frame, hexagon
Era early 20th century
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- Itzely, Josef
Country Era 1867-1922
Symbol cartouche, frame, line, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Jacoves, J.
Country City New York NY
Symbol cartouche, frame, octagon
Shape cartouche, frame, octagon
Era c.1915