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| Patents for Edward Christman | |||||
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| Number | Date | Patentee | Title | Type | |
| 470,289 | Mar. 08, 1892 | E. Christman | Saw-mill dog | sawmill dogs | |
| 473,234 | Apr. 19, 1892 | W.G. Munn, E. Christman | Grain-drill | crop planters | |
| 607,914 | Jul. 26, 1898 | E. Christman | Seeding Machine | seeders | |
| 613,115 | Oct. 25, 1898 | T. Brennan, E. Christman | Shoe for grain-drills | crop planters | |
| 716,190 | Dec. 16, 1902 | E. Christman | Hub-bearing | plows | |