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Patents for J. B. Smutney | |||||
Number | Date | Patentee | Title | Type | |
881,449 | Mar. 10, 1908 | G.A. Smith | Thread Cutting Device | alligator wrenches | |
912,372 | Feb. 16, 1909 | W.F. Gould | Balanced Slide Valve | steam engine valves | |
992,349 | May 16, 1911 | W.F. Gould | Balanced Slide-Valve | steam engine valves |