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- Osborne, Frank N.
Country City New York NY
Era c.1896, c.1915
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- Oscar Heyman and Bros.
Country City New York NY
Symbol circle
Shape circle
Era c.1915, c.1922, c.1934, c.1950, e.1912, c.1943
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- Osmers-Dougherty Co.
Country City New York NY
Symbol horseshoe
Era c.1915
-
- Osmers, Frank C.
Country City New York NY
Era c.1922
-
- Osmun-Parker Mfg. Co.
Country City Newark NJ
Symbol crescent, moon
Era c.1896, c.1915
-
- Osnos Co. Inc., Joseph
Country City New York NY
Era c.1950
-
- Ostby & Barton Co.
Country City Providence RI
Symbol anchor, arrow, circle, crown, eagle
Shape circle
Era c.1934 c.1950, c.1943
-
- Ostier Inc.
Country City New York NY
Symbol cartouche, diamond, frame, kite, lozenge
Shape cartouche, diamond, frame, kite, lozenge
Era c.1938-1969
-
- Ostrow & Samit
Country City New York NY
Era c.1931, c.1943
-
-
-
- Ovington Bros. Co.
Country City New York NY
Era c.1922
-
- P-M Jewelry Creations Inc.
Country City New York NY
Era c.1950
-
- Page & Co., M.S.
Country City Boston MA
Era c.1934
-
- Paine Co., Geo L.
Country City North Attleboro MA
Era c.1915
-
- Paine, William L.
Country City Argenta AK
Symbol lock, padlock
Era c.1896, c.1915
