Patents for Harry J. Tapper


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Patents for Harry J. Tapper
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	D115,882	Jul. 25, 1939	G.F. Morrison, H.J. Tapper	Design for a typographical trimming machine
	2,195,557	Apr. 02, 1940	H.J. Tapper, F.W. Billker	Angle gauge
	2,224,335	Dec. 10, 1940	H.J. Tapper, F.W. Billker	Slug resurfacer