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 |
| 7040048 | Folding ironing board An ironing board that folds in half to occupy only about one half its extended length to facilitate packaging and storage. An iron rest can be slid to latch the folded front and rear sections of the board. The board has front and rear legs allowing it to be set up o... | 05/09/2006 |
| 6955274 | Foot operated knockdown laundry hamper and bag A foot operated laundry hamper having a knock down frame and a special bag for the frame. Base sections of the frame include front and rear bars mounted on feet and side bars that are connected by coil springs. Detachable legs extending from the base support top sec... | 10/18/2005 |