Old City in Philadelphia in Philadelphia County, Pennsylvania — The American Northeast (Mid-Atlantic)

Samuel Hopkins

(1743-1818)

Photographed By Don Morfe, April 25, 2015

1. Samuel Hopkins Marker

Inscription. The holder of the first U.S. patent, signed by George Washington, lived here. On July 31, 1790, Hopkins received a patent for an improvement in making potash, a major industrial chemical. In succeeding centuries, the U.S. Government issued millions of patents.

Erected 2000 by Pennsylvania Historical & Museum Commission.

Topics and series. This historical marker is listed in this topic list: Industry & Commerce. In addition, it is included in the Pennsylvania Historical and Museum Commission series list. A significant historical month for this entry is July 1851.

Location. 39° 57.116′ N, 75° 8.559′ W. Marker is in Philadelphia, Pennsylvania, in Philadelphia County. It is in Old City. Marker is on Arch Street. Touch for map. Marker is at or near this postal address: 119 Arch Street, Philadelphia PA 19106, United States of America. Touch for directions.

Other nearby markers. At least 8 other markers are within walking distance of this marker. Smythe Stores (within shouting distance of this marker); Elfreth's Alley (about 300 feet away, measured in a direct line); Cyrus Bustill (about 300 feet away); 139 Elfreth's Alley (about 300 feet away); Bladen's Court (about 400 feet away); Christ Church (about 500 feet away); Andrew Hamilton (about 500 feet away); Pierce Butler (about 500 feet away). Touch for a list and map of all markers in Philadelphia.

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Photographed By Don Morfe, April 25, 2015

2. Samuel Hopkins Marker

Credits. This page was last revised on February 2, 2023. It was originally submitted on May 4, 2015, by Don Morfe of Baltimore, Maryland. This page has been viewed 353 times since then and 24 times this year. Photos: 1, 2. submitted on May 4, 2015, by Don Morfe of Baltimore, Maryland. • Bill Pfingsten was the editor who published this page.