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All Patents in class 222/330
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
373,870	Nov. 29, 1887	H.L. Whitman, G.F. Whitman	Broadcast seed-sower	seeders
1,400,668	Dec. 20, 1921	E.R. Draver	Feeding device
2,867,228	Jan. 06, 1959	R.V. Klikunas, F.F. Rike	Emergency shut-off valve

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