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- Perry Novelty Co.
Country City Providence RI
Era c.1950
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- Peruzzi, Gino M.
Country City Boston MA
Era c.1922
-
- Pervear Co., H.N.
Country City Providence RI
Symbol clef, lyre
Era c.1915
-
- Peters & Co., H.B.
Country City New York NY
Era c.1896, c.1915
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- Peters Co., H.W.
Country City Boston MA, Watertown MA
Era c.1934 c.1950
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- Petersen Max & Co.
Country City Buffalo NY
Symbol arrow, banner, crest
Shape crest
Era c.1934
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- Peterson Co., L.S.
Country City North Attleboro MA
Era c.1950, c.1943
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- Petterson Studio, The
Country City Chicago IL
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era c.1912-1949
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- Pfaelzer Bros. & Co.
Country City Philadelphia PA
Era c.1915, c.1934
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- Pfeifer, Albert
Country City Little Rock AK, New York NY
Symbol animal, creature, griffin, lion, marquise, navette, wings
Shape marquise, navette
Era c.1896
-
- Pfersich & Co., A.L.
Country City Philadelphia PA
Era c.1934
-
- Pfister Jewelry Co.
Country City New Iberia LA
Era c.1922, c.1943
-
- Philadelphia Optical & Watch Co.
Country City Philadelphia PA
Shape star
Symbol crescent, star
Era c.1896, c.1915
-
- Philips Mfg. Co.
Country City Brooklyn NY
Era c.1950
-
- Phillips & Co., Geo.
Country City Scranton PA
Era c.1934
-
- Phoel & Sons
Country City New York NY
Shape lozenge, rhombus, triangle
Symbol lozenge, rhombus, triangle
Era c.1934 c.1950, c.1943
