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| Number | Title | Issue Date |
| 7377144 | Protective device for electronic lock A protective device for an electronic lock includes a fixing plate mounted in a casing of an electronic lock and located behind an opening of the casing. The fixing plate includes a through-hole aligned with the opening. A protective cover is mounted to the fixing p... | 05/27/2008 |
| 6546770 | Lock assembly A lock assembly includes a barometric lock cylinder for actuating a latch assembly wherein the barometric lock cylinder including a lock body having an axial rotor hole and a plurality of marble sockets radially distributed on an inner surface of the lock... | 04/15/2003 |
| 6523373 | Notebook computer lock A lock is designed to prevent theft of a notebook computer and is formed of a housing, a metal fastening, a locking mechanism, and a retaining mechanism. The locking mechanism includes an arresting bolt with a conical tip and a dial block. The retaining m... | 02/25/2003 |
| 5732842 | Tank closure, especially for a motor vehicle Tank closure, especially for a motor vehicle, with a supporting part mounted on the tank in the peripheral area of a filling opening and receiving an actuating element which is rotatable around an axis that is approximately parallel to the central axis of... | 03/31/1998 |
| 4793165 | Protective device for key-operated door locks A protective device for key-operated door locks, comprises a housing mountable to the door over the keyhole of a lock mounted within the door; a guard plate movable to a blocking position to block access to the keyhole, or to an unblocking position to per... | 12/27/1988 |
| 4773243 | Lock protection mechanism A ganged co-axial tumbler lock mechanism is provided to lock a slideable shaft coupled to a keyhole cover. Setting the proper combination on the tumbler lock mechanism permits the shaft to be slid away from the cylinder lock, thus moving the keyhole cover... | 09/27/1988 |
| 4541260 | Guard plate and alarm The improved guard plate of this invention is used to protect the cylinder of a lock. It includes a relatively flat body, attached to the door in the vicinity of the cylinder, and a disc rotatably mounted between the door and the flat body. In an open pos... | 09/17/1985 |
| 4365491 | Guard plate The improved guard plate of this invention is used to protect the cylinder of a lock. It includes a relatively flat body, attached to the door in the vicinity of the cylinder, and a disc rotatably mounted between the door and the flat body. In an open pos... | 12/28/1982 |
| 4318288 | Steering column lock A tamper-resistant steering column lock incorporating an improved combination lock is disclosed. The improved combination lock includes an array of discs, each having an electrically conductive member extending therethrough. The disc at one end of the arr... | 03/09/1982 |
