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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 |
| 3948118 | Safety steering wheel for motor vehicles A safety steering wheel for motor vehicles is disclosed, the improvement sisting in that between the steering wheel hub and the wheel rim and spokes assembly a yieldable connection structure is inserted, said structure comprising an annular rib and a cen... | 04/06/1976 |
