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Patents for Frederick A. Hatch | |||||
Number | Date | Patentee | Title | Type | |
70,051 | Oct. 22, 1867 | C.R. Tompkins | Improvement in mortising-machines | mortising machines | |
79,489 | Jun. 30, 1868 | E. Mets | Improvement in wood-bending machines | wood bending machines | |
100,855 | Mar. 15, 1870 | J. Chase | Improvement in wood-turning lathe | wood lathes | |
101,596 | Apr. 05, 1870 | H.J. Durgin | Improvement in revolving center-rest for wood-lathes | wood lathes |