Patents for Hiram Twiss


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Patents for Hiram Twiss
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	8,194X	May 13, 1834	H. Twiss	Clocks and time-pieces
	8,195X	May 13, 1834	H. Twiss	Pendulum, balance
	243	Jun. 19, 1837	H. Twiss	Mill for grinding coffee and other substances