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- H.W.K. CO.
Country City Providence RI
Symbol circle, heart, oval, triangle
Shape circle, heart, oval, triangle
Era c.1915
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- Hagerstrom & Chapman Co.
Country City Newark NJ
Era c.1915
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- Hagerstrom & Son
Country City Newark NJ
Symbol ring
Era c.1915, c.1934
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- Haimes & Klein
Country City New York NY
Symbol cartouche, frame, rectangle
Shape cartouche, frame, rectangle
Era c.1943
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- Hancock Co., Chas. E.
Country City Providence RI
Symbol cartouche, frame, people, square, watch, woman
Shape cartouche, frame, square
Era c.1896, c.1915, c.1922
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- Hartman & Co., Harry
Country City Los Angeles CA
Era c.1943
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- Hasenjaeger Bros. Jewelry Co Inc.
Country City St. Louis MO
Era c.1934
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- Heintz Art Metal Shop
Country City Buffalo NY
Symbol cartouche, diamond, frame, kite, lozenge
Shape cartouche, diamond, frame, kite, lozenge
Era e.1902
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- Hemming Mfg Co., The
Country City Montreal QC
Era c.1915
-
- Hesselpoth & Smethurst
Country City Philadelphia PA
Era c.1896, c.1915, c.1922
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- Hirshorn, Smith & Newman, Inc.
Country City New York NY
Era c.1922
-
- Howard & Cockshaw
Country City New York NY
Era c.1915
-
- Humbert Mfg. Co.
Country City Rochester NY
Symbol banner
Era c.1934
-
- Hussey Co.
Country City Providence RI
Era c.1915
-
- Jones, Mounts & Jones
Country City New York NY
Era c.1915
-
- Kadden Bros.
Country City Philadelphia PA
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1915, c.1922