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| Patents for Freeman C. Merrill | |||||
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| Number | Date | Patentee | Title | Type | |
| 88,943 | Apr. 13, 1869 | M. Chase, Jr., H.J. Morton | Improvement in shingle-machines | shingle machines | |
| 189,638 | Apr. 17, 1877 | H.J. Morton | Improvement in machines for sawing shingles | shingle machines | |