-
- Allen Pin Co.
Country City Providence RI
Era c.1915, c.1922
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- Burr, Patterson & Auld Co.
Country City Detroit MI
Era c.1915, c.1922, c.1934, c.1943
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- Canadian Peerless Jly. Co., Ltd.
Country City Sherbrooke
Era c.1922
-
- Fischer & Pruefer
Country City Providence RI
Symbol cartouche, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era c.1915, c.1922
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- Fremont Pearl Button Works
Country City Fremont WI
Era c.1922
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- Frey, Paul
Era c.1890s
Symbol bird, cartouche, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
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- Huber, Patriz
Country City Munich
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era (1878-1902)
-
- Jansen, Post & Cocx
Country City Amsterdam
Symbol cartouche, frame, rectangle, v clipped
Shape cartouche, frame, rectangle, v clipped
Era early 20th century
-
- Leading Jewelry Mfg. Co. Inc., The
Country City New York NY
Symbol cartouche, circle, clover, frame, quatrefoil
Shape cartouche, circle, frame
Era c.1922, c.1934
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- Lehmann & Co., E.A.
Country City New York NY
Symbol cartouche, frame, helmet, hexagon, horseshoe
Shape cartouche, frame, hexagon
Era c.1896, c.1915, c.1922
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- Leinwand, B.
Country City New York NY
Shape triangle
Symbol triangle
Era c.1943
-
- Paillette, Auguste
Country City Paris
Symbol cartouche, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era c.1920-30s
-
- Paramount Wedding Ring Co.
Country City Chicago IL
Era c.1934, e.1918, c.1943
-
- Parie, D.
Country City Rotterdam
Symbol cartouche, dot ., frame, hexagon
Shape cartouche, frame, hexagon
Era early 20th century
-
- Paris Pearl Co.
Country City New York NY
Era c.1922
-
- Parisian Jewelry Creators
Country City New York NY
Era c.1950
