| Patents for Charles I. Humphrey |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 129,102 | Jul. 16, 1872 | W. Clemson | Improvement in Attaching Handles to Cross-Cut Saws | crosscut saw handles |
| 130,018 | Jul. 30, 1872 | W. Clemson | Improvement in Handles for Crosscut-Saws | crosscut saw handles |
| 145,628 | Dec. 16, 1873 | W. Clemson | Improvement in Saw Handles | saw handles |
| 146,749 | Jan. 27, 1874 | W. Clemson | Improvement in Handles for Crosscut-Saws | crosscut saw handles |
| RE7,433 | Dec. 19, 1876 | W. Clemson | Improvement in Handles for Crosscut-Saws | crosscut saw handles |
| 192,704 | Jul. 03, 1877 | W. Millspaugh | Improvement in corn-knives | corn cutters |
