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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 |
| 7334652 | Roller cone drill bits with enhanced cutting elements and cutting structures Roller cone drill bits are provided with cutting elements and cutting structures optimized for efficient drilling of soft and medium formations interspersed with hard stringers. The cutting elements and cutting structures may be satisfactorily used to drill downhole... | 02/26/2008 |
| 7201108 | Table with variable configuration Table (10) with variable configuration comprising at least a frame (11) and a movement assembly (12), associated with said frame (11), for a main plane (13) and a service plane (14); such movement assembly (12) compri... | 04/10/2007 |
| 7025310 | Mouse rest for hand and wrist A mouse rest for hand and wrist device for reducing repetitive stress injuries from extended use of a computer mouse device is disclosed which includes a hand and wrist support region consisting of a resting plate, generally square in shape, having three square corn... | 04/11/2006 |
| 6003450 | Table lift apparatus A lift apparatus includes a folding frame assembly and a pair of support members which are connected to the folding frame assembly by a linkage. The apparatus is mounted on a coffee table base and is capable of an open position in which the table top of t... | 12/21/1999 |
| 5611608 | Computer-office desk An office desk that can be used for traditional tasks and yet provides concealment for, yet readily available access to, computer equipment. The desk top consists of a fixed section, a separable section, and a covering section. The separable and covering ... | 03/18/1997 |
