In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 8057658 | Electrochemical method, apparatus and carbon product In an electrolytic method for producing nano-scale carbon products, such as carbon nanotubes, first and second graphite electrodes contact a fused-salt electrolyte. A power supply is coupled to the electrodes and first and second voltages are alternately applied to ... | 11/15/2011 |