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| Patents for Harry Cobb Kennedy | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 473,906 | May 03, 1892 | M.C. Bullock | Valve Gear for Steam Engines | |
 | 487,829 | Dec. 13, 1892 | W.R. England | Pipe-Coupling | |
 | 503,125 | Aug. 15, 1893 | W.H. Dana | Clamp | |