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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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| Number | Title | Issue Date |
| 4952812 | Irradiation of blood products A thin film or layer of white blood cells, such as the contaminating white cells in a platelet concentrate, is irradiated with ultraviolet radiation predominately of a wavelength of 280 to 320 nanometers, and preferably at an intensity of 4 to 20 milliwat... | 08/28/1990 |
