In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Application No. | Application Title | Issue Date |
| 20070283661 | Engineered structural board An engineered 2″×8″ equivalent board is formed from a standard wood 2″×4″ board. The 2″×4″ board is bifurcated longitudinally to form opposed rails, and a longitudinal ½″×½″ groove is formed centrally of the cut face of each rail. Three ½″ thick... | 12/13/2007 |
| 20060000182 | Wall stud assembly for modular walls A wall stud assembly includes first and second elongate stud members and a plurality of connectors. The first elongate stud member includes a back section, a front section substantially parallel to the back section, and two substantially parallel side portions connectin... | 01/05/2006 |