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Patents for Manassah Andrews
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,457Dec. 31, 1839M. Andrews, J. SproatManner of relieving the collars of circular saws from the friction occasioned by the article sawedcircular saws
5,087Apr. 24, 1847M. AndrewsBitstockbrace chucks
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