Patents Granted on 1820-03-23


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Patents Granted on 1820-03-23
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
3,186X	Mar. 23, 1820	S. Fraser	Tobacco press	tobacco machinery
3,187X	Mar. 23, 1820	S.F. Hooker (Tooker), I.L. Skinner	Apparatus for removing earth in making roads, etc.