Patents Granted on 1809-05-15


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Patents Granted on 1809-05-15
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,048X	May 15, 1809	S. DeRiemer	Compounding a blue color as a substitute for indigo
1,049X	May 15, 1809	O. Chatfield	Washing machine	washing machines