Patents for Henry T. Heller


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Patents for Henry T. Heller
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
298,649	May 13, 1884	H.T. Heller, A.L. Flack, G.S. Yingling	Tack-Hammer	tack hammers
298,650	May 13, 1884	H.T. Heller, A.L. Flack, G.S. Yingling	Tack-Hammer	tack hammers