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| Number | Title | Issue Date |
| 6474599 | Aircraft security system An aircraft security system comprises a transparent bullet-proof security chamber interposed between the pilot area and the passenger area, and providing the only means of passage to the pilot area. The security chamber has a cockpit door to the cockpit a... | 11/05/2002 |
| 5408783 | Device for opening and closing a hatch on a combat vehicle, especially a military tank A device for opening and closing a hatchway on a combat vehicle, especially a tank, by a hatch. The hatch comprises two components, one above the other. The upper component slides back and forth across and above the hatchway. The lower component descends ... | 04/25/1995 |
| 5329865 | Security box assembly adapted to be mounted beneath an undersurface A security box assembly has a body portion and a cover portion. The cover portion has a top wall with hook and loop type fastener sheets for adhering the box to the undersurface of a table or counter, and has depending walls defining a downwardly open hol... | 07/19/1994 |
| 5193467 | Safe with money slot A valuables safe incorporates a money slot that is both inaccessible and out of sight during periods when it is not desired to use the money slot, for example during off-hours in a business. The money slot is quickly made both accessible and visible by op... | 03/16/1993 |
| 4949651 | Locking means for a gate in an automatic teller machine A closure locking means for the opening of a self-service device, in particular an automatic teller machine includes a locking flap, the outside of which is indented. The locking flap, pivotable about an axis, is positioned behind a projecting upper wall ... | 08/21/1990 |
| 4712490 | Safe A safe having a valuables chamber with an access opening with inwardly extending ledges for placement of a plate-shaped separate steel door thereon, and a set of grooves formed on opposing walls retaining the door therein, the width of the grooves being a... | 12/15/1987 |
