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| Patents for Henry C. Root | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 193,182 | Jul. 17, 1877 | H.C. Root | Improvement in saw-set and file-guide | |
![]() | 269,719 | Dec. 26, 1882 | H.C. Root | Stairbuilders' Layout Devices | |