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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 |
| 7430889 | Device for forming protruding parts on the carrier plate of a brake-lining The inventive device makes it possible to form protruding parts (18) teeth, spigots, corrugations and the similar on a carrier plate (8) of a brake-lining by introducing a tool into said carrier plate (8) of a brake-lining with the aid of a pres... | 10/07/2008 |
