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Patents for Fredrick W. Billker
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	2,015,250	Sep. 24, 1935	F.W. Billker	Cutting machine
	2,109,057	Feb. 22, 1938	J.B. Ball, F.W. Billker	Cutting machine
	2,165,953	Jul. 11, 1939	J.B. Ball, F.W. Billker	Cutting 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

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