Patents for Isaac Hird


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Patents for Isaac Hird
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
119,517	Oct. 03, 1871	I. Hird	Improvement in scroll-saws	scrollsaws
158,083	Dec. 22, 1874	I. Hird	Improvement in scroll-sawing machines	scrollsaws