Patents for Edward A. Stevens


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Patents for Edward A. Stevens
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
3,328X	Apr. 23, 1821	E.A. Stevens, R.L. Stevens	Cast iron ploughs	plows
3,329X	Apr. 23, 1821	E.A. Stevens, R.L. Stevens	Hardening part of the edge of the share of ploughs	plows