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Patents for T. J. Hogan | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 583,584 | Jun. 01, 1897 | E. Ruud, G. Westinghouse | Gas Engine | |
![]() | 583,585 | Jun. 01, 1897 | E. Ruud, G. Westinghouse, Jr. | Means for Controlling and Regulating Operation of Gas Engines |