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| Patents for Patrick J. Hogan | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 102,400 | Apr. 26, 1870 | P.J. Hogan | Improvement in detachable saw-teeth | |
 | 114,509 | May 02, 1871 | P.J. Hogan, A. Sowden | Improvement in meat-saws | |
 | 151,592 | Jun. 02, 1874 | P.J. Hogan, A. Sowden, J. Farrow | Improvement in saw-gummers | |
 | 237,977 | Feb. 22, 1881 | P.J. Hogan | Saw-swage | |