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| All Patents in class 222/310 | |||||
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| Number | Date | Patentee | Title | Type | |
| 17,440 | Jun. 02, 1857 | A.C. Miller | Improvement in Machines for Sowing Seed Broadcast | ||
| 1,551,810 | Sep. 01, 1925 | E.R. Draver | Feeder and oscillating agitator | ||