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| Patents for Shepard Iron Works | |||||
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| Number | Date | Patentee | Title | Type | |
| 66,972 | Jul. 23, 1867 | J.L. Lay | Compound Steam Engine | steam engines | |
| 132,173 | Oct. 15, 1872 | J. Neuberger | Improvements in Trip-Hammers | trip and helve hammers | |