All Patents in class 173/165


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All Patents in class 173/165
Patents 1 - 6 of 6
Picture	Number	Date	Patentee	Title
	53,896	Apr. 10, 1866	R. Stewart	Annular Auger
	67,284	Jul. 30, 1867	A.J. Fullam	Improved drilling apparatus
	913,172	Feb. 23, 1909	J.C. McGregor, J.G. Smith	Breast-drill
	1,141,864	Jun. 01, 1915	P.J. Boucher	Tool Holder
	1,679,155	Jul. 31, 1928	E.L. Connell	Power hand tool
	2,961,899	Nov. 29, 1960	W.W. De Lano, J.E. Grove	Drilling machine