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- H. & M. Co.
Country City Providence RI
Era c.1922
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- Helluin-Mattlinger
Country City Paris
Symbol ampersand &, cartouche, frame, lozenge, rhombus
Shape cartouche, frame, lozenge, rhombus
Era c.1935-1959
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- Hickok Mfg. Co. Inc.
Country City Rochester NY
Symbol animal, banner, cartouche, circle, crest, feather, frame, shield
Shape cartouche, circle, crest, frame, shield
Era c.1922, c.1934 c.1950, c.1943
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- Hunt-Mildeberger Co. Inc.
Country City New York NY
Era c.1934
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- Matzka, Heinrich
Country Era 1867-1922
Symbol cartouche, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Meijer, Fa. Gebrs.
Country City Rotterdam
Symbol cartouche, cross, frame
Shape cartouche, cross, frame
Era early 20th century
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- Meulen, H. ter
Country City Purmerend
Symbol cartouche, frame, octagon, rectangle, square
Shape cartouche, frame, octagon, rectangle, square
Era early 20th century
-
- Minihofer, Heinrich
Country Era 1867-1922
Symbol cartouche, frame, rectangle, v clipped
Shape cartouche, frame, rectangle, v clipped
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- Moolenijzer, H.W.
Country City Amsterdam
Symbol cartouche, frame, hexagon, square
Shape cartouche, frame, hexagon, square
Era early 20th century
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- Müllner, Hans
Country Era 1867-1922
Symbol cartouche, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle