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Patents for Arthur J. Frith | |||||
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Number | Date | Patentee | Title | Type | |
411,884 | Oct. 01, 1889 | A.J. Frith, H.L. Binsse | Slotting Machine | metal slotting machines | |
672,477 | Apr. 23, 1901 | J.D. Macpherson, A.J. Frith | Oil Pump for Explosive Engines | diesel engines |