David Brooks sells patent to Western Union

[Newspaper]

Publication: The Fitchburg Sentinel

Fitchburg, MA, United States
vol. VII, no. 2, p. 3, col. 2

David Brooks of Philadelphia has sold to the Western Union Telegraph Company for $230,000 his patent for insulating telegraph wires in cotton.

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Keywords:David Brooks
Researcher notes: 
Supplemental information: Patents: 199,506; 165,535
Researcher:Elton Gish
Date completed:June 23, 2005 by: Elton Gish;