04-01-1842 patent US2531A Self setting cog for sawmills
Patents

On This Day in Sawyer History Apr 01

April 1, 2020 /

George Henning of Ithaca, New York, United States, claims an invention as it relates to the method of operating saw mills, specifically, new and useful improvements on the self setting saw mill dog blocks. File claimed April 01, 1842.

Patent awarded February 1, 1887.

04-01-1842 patent US2531A Self setting cog for sawmills pg 1 of 3
04-01-1842 patent US2531A Self setting cog for sawmills pg 1 of 3
04-01-1842 patent US2531A Self setting cog for sawmills pg 2 of 3
04-01-1842 patent US2531A Self setting cog for sawmills pg 2 of 3
04-01-1842 patent US2531A Self setting cog for sawmills pg 3 of 3
04-01-1842 patent US2531A Self setting cog for sawmills pg 3 of 3

A Newfoundland born Canadian with a life long interest in woodworking, baking and anything else that peaks my curiosity.

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