-
- California Jewelry Creations Inc.
Country City Los Angeles CA
Symbol plant
Era c.1950
-
- Hygrade Jewelry Co.
Country City New York NY
Era c.1934, c.1943
-
- L’Enfant, Georges
Country City Paris
Symbol bird, cartouche, diamond, frame, leaf, lozenge, rhombus, wings
Shape cartouche, diamond, frame, lozenge, rhombus
Era c.1899-2003
-
- May Co., Frank T.
Country City New York NY
Era c.1915, c.1922, c.1934, c.1943
-
- Nonken & Yocum
Country City Portland OR
Era c.1934
-
- Olsson, Yngve Harald
Country City Chicago IL
Symbol cartouche, circle, frame, oval
Shape cartouche, circle, frame, oval
Era c.1915-1970
-
- Yale Jewelry Mfg. Co.
Country City Providence RI
Era c.1915
