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| Patents for Jacob King | |||||
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| Number | Date | Patentee | Title | Type | |
| 74,549 | Feb. 18, 1868 | J. King | Improved ditching-machines | ||
| 138,166 | Apr. 22, 1873 | J. King | Improvement in grain-drills | crop planters | |
| 148,218 | Mar. 03, 1874 | J. King | Improvement in teeth for agricultural implements | crop planters | |
| 253,926 | Feb. 21, 1882 | J. King | Seed-cup for grain-drills | crop planters | |
| 309,859 | Dec. 30, 1884 | J. King | Combined gage-wheel and caster for grain-drills | crop planters | |