Home / Historical information about the Woodward Governor Company and the Hydroelectric Power Industry. / Historical hydroelectric power information and the oldest Woodward product catalogue in the collection. /
Serial number name plate with four patent dates.
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Woodward Governor Company's first four patents on the name plate are as follows. Patent number 103,813 from 1870 then patent number 432,105 from 1890 then patent number 608,245 from 1898 and patent number 679,353 from 1901. Patent history is fun!
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