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All Patents of Type: pin and needle making machinery | |||||
Number | Date | Patentee | Title | Type | |
2,199X | Oct. 15, 1814 | W.F. Hill | Making pins and needles | pin and needle making machinery | |
3,731X | Jul. 23, 1823 | H. Weston | Pin machine | pin and needle making machinery | |
2,013 | Mar. 24, 1841 | J.I. Howe | Pin Machine | pin and needle making machinery | |
609,060 | Aug. 16, 1898 | W.M. Wallace | Pin Turning Machine | portable turning tools |