Patents Granted on 1797-07-_


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Patents Granted on 1797-07-__
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
178X	Jul. 01, 1797	T. Bruff, Sr.	Improvement in extracting teeth	dental tools
180X	Jul. 08, 1797	B. Jarvis	Making shingles and boards	shingle machines
181X	Jul. 11, 1797	J. Hawkins	Brick Machine	brick maker