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| Patents for H. E. Matthews | |||||
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| Number | Date | Patentee | Title | Type | |
| 138,405 | Apr. 29, 1873 | E.H. Janney | Car-Couplings | railroad car couplers | |
| 144,051 | Oct. 28, 1873 | D.A. Barnes | Can-Openers and Pipe-Cutters | pipe cutters | |