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- Parry & Parry Inc.
Country City Salt Lake City UT
Era c.1922, c.1934
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- Pelischek & Plachy
Country Era 1867-1922
Symbol cartouche, frame, octagon, rectangle
Shape cartouche, frame, octagon, rectangle
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- Pernetz, Pinkas
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
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- Pfeiffer, Peter
Country Era 1867-1922
Symbol cartouche, frame, rectangle, v clipped
Shape cartouche, frame, rectangle, v clipped
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- Preformed Parts Inc.
Country City Pleasantville NY
Symbol infinity
Era c.1950