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| Patents for Joseph Kurtzeman | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 15,078 | Jun. 10, 1856 | J. Kurtzeman | Method of operating head-blocks of sawing-mills | |
 | 24,743 | Jul. 12, 1859 | J. Kurtzeman | Head-block for sawmills | |