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Patents for Fredrick W. Billker
Patents 1 - 5 of 5
Number	Date	Patentee	Title	Type
2,015,250	Sep. 24, 1935	F.W. Billker	Cutting machine	printer
2,109,057	Feb. 22, 1938	F.W. Billker, J.B. Ball	Cutting machine	printer
2,165,953	Jul. 11, 1939	J.B. Ball, F.W. Billker	Cutting machine	printer
2,195,557	Apr. 02, 1940	H.J. Tapper, F.W. Billker	Angle gauge	printer
2,224,335	Dec. 10, 1940	H.J. Tapper, F.W. Billker	Slug resurfacer	printer

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