Patents 123,148 (Improvements in Lock Nuts)

Brush, Charles Francis, 1849-1929

1872-01-30
2014-12-02

Two patents with illustrations and typed descriptions, the first being patent 123,148 for improvements in lock nuts issued January 30, 1872, the second being patent 8,718 for improvements in electric lamps issued May 20, 1879

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Case Western Reserve University, digital content

http://hdl.handle.net/2186/ksl:spcbru01412

Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 2