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In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Application No. | Application Title | Issue Date |
| 20060283363 | Potato Planter Improvement to Reduce Skips and Rolling An improved cup-style potato planter that corrects seed “skips.” Cups on a continuous belt conveyor sometimes fail to pick up potato seeds from a bin, or the seeds drop from the cup due to vibration. The design disclosed here puts replacement seeds in empty cups bef... | 12/21/2006 |