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 |
| 20080000401 | Locking door for security drawer A security drawer may be provided with an upwardly opening door. The upward opening of the door may be prevented when the drawer is not in use by the locking in position of a cover plate between a lock bar and the upper edge of the drawer door. As a result, any attempt ... | 01/03/2008 |
| 20050193648 | Security screening system A security screening system includes a screening queue beginning at a sterile gateway and a tray slide that includes a sidewall and a support surface. The tray slide is adjacent to the screening queue and delivers trays to screening subjects in the screening queue. The ... | 09/08/2005 |