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| Patents for Harry C. Brown | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 1,217,909 | Mar. 06, 1917 | H.C. Brown | Combination Vise, Anvil and Drill, and Parts Thereof | |
![]() | 1,217,910 | Mar. 06, 1917 | H.C. Brown | Vise | |
![]() | 1,217,911 | Mar. 06, 1917 | H.C. Brown | Drill mechanism | |