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| Patents for Isaac S. Roland | |||||
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| Number | Date | Patentee | Title | Type | |
| 20,921 | Jul. 13, 1858 | D.K. Kraatz | Turbine Water Wheel | turbine water wheels | |
| 90,689 | Jun. 01, 1869 | I.S. Roland | Improvement in spoke-lathes | wood lathes | |