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Patents Granted on 1850-05-14 | |||||
Number | Date | Patentee | Title | Type | |
7,355 | May 14, 1850 | O.P. Allen | Machine for slitting clothes-pins | clothespin machines | |
7,357 | May 14, 1850 | L. Bissell | Improvement in Connecting-Rods of Steam-Engines and Other Machinery | steam engine crank rods | |
7,362 | May 14, 1850 | N. Colver | Revolving-Jaw Wrench | nut wrenches | |
7,367 | May 14, 1850 | H. Patterson | Splint-machine | match making machines |