Thomas Green, Willoughby Green, Robert Mathers - Patent 3263
A summary of the Patent 3263 published in a directory of recent applications.
Improvements in chains for driving motion to chain wheels and in giving motion to machinery 3263 31st Dec. 1861 Thomas Green
Willoughby Green
Robert MathersPublicationPatent DocumentDateSourceGoogle Books/Subject Matter Index of Patents Applied for and Patents Granted/1863/P70Link