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| Patents for C. I. Humphrey | |||||
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| Number | Date | Patentee | Title | Type | |
| 257,920 | May 16, 1882 | W. Clemson | Saw-Handle | crosscut saw handles | |
| 325,759 | Sep. 08, 1885 | W. Millspaugh | Draw-shave | draw knives | |
| 434,767 | Aug. 19, 1890 | R.W. Clemson | Saw Handle | saw handles | |