-
- Pontiac Co.
Country City Newark NJ
Era c.1934
-
- Poole Inc., Thomas S.
Country City Providence RI
Era c.1943
-
- Popik, Karl
Country City Buffalo NY
Symbol banner, flag
Era c.1950
-
- Porter & Wiser Jewelry Co.
Country City Kansas City MO
Symbol cartouche, frame, oval, rectangle
Shape cartouche, frame, oval, rectangle
Era c.1915, c.1934, c.1950
-
- Potter & Buffinton Co.
Country City Providence RI
Symbol cartouche, frame, marquise, navette
Shape cartouche, frame, marquise, navette
Era c.1915, c.1934
-
- Potter & Co., E.A.
Country City Providence RI
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1896, c.1915, c.1922
-
- Potter, H.E.
Country City Cleveland OH
Symbol cartouche, frame, leaf, oval
Shape cartouche, oval
Era c.1898-1948
-
- Powers & Mayer Mfg. Corp.
Country City New York NY
Symbol cartouche, diamond, frame, kite, laurel, lozenge, ribbon, wreath
Shape cartouche, diamond, frame, kite, lozenge
Era c.1896, c.1915, c.1934
-
- Precious Metals Specialties Co. Inc.
Country City Newark NJ
Era c.1950
-
- Preformed Parts Inc.
Country City Pleasantville NY
Symbol infinity
Era c.1950
-
- Press, Elias L.
Country City New York NY
Era c.1950
-
- Preston, Jessie M.
Country City Chicago IL
Shape rectangle
Symbol rectangle
Era e.1900
-
- Prevue Products Co.
Country City New York NY
Era c.1950
-
- Probst Mfg. Co., C.E.
Country City Newark NJ
Era c.1950
-
- Progress Jewelry Co. Inc.
Country City New York NY
Era c.1950
-
- Provenzano, J.N.
Country City New York NY
Symbol anvil
Era c.1915, c.1922, c.1931