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Patents for Fredrick W. Billker | |||||
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Number | Date | Patentee | Title | Type | |
2,015,250 | Sep. 24, 1935 | F.W. Billker | Cutting machine | printer | |
2,109,057 | Feb. 22, 1938 | J.B. Ball, F.W. Billker | 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 |