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- Lutz, Jean
Symbol cartouche, frame, lozenge, rhombus, seal
Shape cartouche, frame, lozenge, rhombus
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- Lyon, Friedrich
Country Era 1867-1922
Symbol cartouche, frame, line, rectangle
Shape cartouche, frame, rectangle
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- Lyons Co. Inc., C.D.
Country City Mansfield MA
Symbol animal, lion
Era c.1915
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- Newman Co., C. H. Landau
Country City Cleveland OH
Symbol music
Era c.1922
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- Saunders Lorie & Co.
Country City Toronto ONT
Symbol keys
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- Scribner & Loehr Co., The
Country City Cleveland OH
Era c.1934
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- Shreve, Crump and Low
Country City Boston MA
Symbol bird, eagle, wings
Era e.1796
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- Shuttles Bros. & Lewis Inc.
Country City Dallas TX
Era c.1934
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- Turk & Lisson
Country City Rochester NY
Era c.1934
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- Tushnett & Lancton
Country City New York NY
Symbol cartouche, flower, frame, triangle
Shape cartouche, frame, triangle
Era c.1915
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- Van Craeynest and Linzer Inc.
Country City San Francisco CA
Era c.1950
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- Wachler Bishop & Lynch
Country City Detroit MI
Era c.1950
