File:US Patent 8447X page3.png
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:27, 6 November 2007 | 936 × 1,431 (448 KB) | John Vandenberg | {{Information |Description=US Patent 8447X: seed planter |Source=[http://inventors.about.com/od/blackinventors/a/Henry_Blair.htm] |Date=October 14, 1834 |Author=Henry Blair |Permission={{PD-US-Patent}} |other_versions= }} |
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