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- S&W Mfg. Co.
City Closter NJ
Era c.1943
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- Schrader-Wittstein Co.
Country City Chicago IL
Symbol banner, bird, crown, diamond, eagle, gem, gemstone, kite, lozenge, wings
Shape diamond, kite, lozenge
Era c.1896, c.1915
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- Scofield & DeWyngaert
Country City Newark NJ
Symbol cartouche, frame, rectangle
Shape cartouche, frame, rectangle
Era c.1896, c.1915, c.1922
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- Sturtevant & Whiting
Country City North Attleboro MA
Era c.1915
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- Westhafer, Samuel R.
Country City Grand Rapids MI
Era c.1934
