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| Patents for F. T. Blackmer | |||||
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| Number | Date | Patentee | Title | Type | |
| 62,987 | Mar. 19, 1867 | J.B. Alden | Brush | brushes or brooms | |
| 116,243 | Jun. 20, 1871 | W.H. Warren | Improvement in Metal Planers | metal planers | |