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us0d0003854
Keywords: Pittsburg;Allegheny;Birmingham;Pennsylvania;William Doyle;Philip Hoerr;John C. Stevenson

us0d0003854

File information
Filename:us0d0003854-001.jpg
Keywords:Pittsburg / Allegheny / Birmingham / Pennsylvania / William Doyle / Philip Hoerr / John C. Stevenson
Inventor's Name:Thomas B. Atterbury
Patent Date:February 22, 1870
Pattern Name/Number:Unknown
Original Manufacturer:Unknown
Date added:Apr 19, 2019