Patents Granted on 1815-06-20


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Patents Granted on 1815-06-20
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
2,327X	Jun. 20, 1815	B. Lies	Sea pedometer	nautical apparatus
2,328X	Jun. 20, 1815	B. Lies	Rocking or lever boat	nautical propulsion apparatus
2,329X	Jun. 20, 1815	B. Lies	Conflagration ladder