Patents for Samuel A. Abbott


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Patents for Samuel A. Abbott
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
6,097	Feb. 06, 1849	S.A. Abbott, E. Elicott	Level-scale for canals, railroads, &c.	levels
AI89	Aug. 14, 1849	S.A. Abbott, E. Ellicott	Lever scale for canals and railways