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Patents for T. J. Hogan
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
583,584Jun. 01, 1897E. Ruud, G. WestinghouseGas Engine
583,585Jun. 01, 1897E. Ruud, G. Westinghouse, Jr.Means for Controlling and Regulating Operation of Gas Engines
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