-
- Luthy & Hine
Country City New York NY
Symbol banner, crest, shield
Shape crest, shield
-
- Lyons Co. Inc., C.D.
Country City Mansfield MA
Symbol animal, lion
Era c.1915
-
- M & S Jewelry Mfg. Co. Inc.
Country City Providence RI
Era c.1950
-
- M. Adler’s Son
Country City New York NY
Symbol bird, eagle, wings
Era c.1934
-
- M.C. Mfg. Corp.
Country City New York NY
Era c.1950
-
- M.R.T. Co. Inc.
Country City Providence RI
Era c.1950
-
- M.S. Company
Country City Attleboro MA
Symbol boat, cartouche, diamond, frame, kite, lozenge, ship
Shape cartouche, diamond, frame, kite, lozenge
Era c.1934 c.1950, c.1943
-
- Mac-Zet Co.
Country City Huntington WV
Era c.1950
-
- MacDonald & Co. Inc., R.B.
Country City Attleboro MA
Symbol bee, bug, fly, insect, wings
-
- MacDonald, Everett
Country City Laguna Beach CA
Era c.1950s
-
- Macomber Mfg. Co.
Country City Providence RI
Symbol heart
Shape heart
Era c.1915
-
- Macpherson Jewelry Co.
Country City Providence RI
Symbol cartouche, circle, frame, shape
Shape cartouche, circle, frame, shape
Era c.1915
-
- Macpherson-Roubaud Co.
Country City Providence RI
Symbol cartouche, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era c.1915
-
- Madier & Milenko
Country City New York NY
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1934, c.1943
-
- Magid, Samuel M.
Country City Providence RI
Symbol circle, oval, ring
Shape circle, oval
Era c.1915
-
- Main Jewelry Co.
Country City New York NY
Symbol cartouche, diamond, frame, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era c.1922, c.1934
