William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7384079 | Lock A lock which can be used for doors which are fitted on the right or left. The lock includes a nut which can be adjusted from the outside by an actuating element and which is disposed in a housing. The lock enables a bolt to be displaced between a closed position, wh... | 06/10/2008 |
| 7206198 | Portable computer with handle-cum-stand A portable computer includes a main body (10) and a handle (30). The handle can be used to serve as both a carrying handle for the computer and as a stand for holding the computer in a convenient position for use on a desk. A pair of grooves (13... | 04/17/2007 |
| 7204527 | Lock comprising two locking rods, in particular for vehicles A lock having a locking rod that is displaced in a longitudinal direction. The rod is driven by an actuator via a rotor. The internal section of the locking rod is flexible so as to have the properties of a flexural section. The locking rod, together with the flexur... | 04/17/2007 |
| 7118483 | Modular CPU enclosure for gaming machines A removable processor enclosure apparatus for use in a gaming machine having a housing defining an interior portion, and a first electrical connector disposed in the interior portion. The enclosure apparatus includes an enclosure containing the CPU electrical compon... | 10/10/2006 |
| 7044509 | Closure latch assembly An elongated latch bar is slidably carried in a passageway through a bolt housing and is extendable into an aligned passageway of a keeper. The extended end of the latch bar carries a transverse cavity for receiving a cross-latch. The keeper carries the cross-latch ... | 05/16/2006 |
| 7040672 | Bolt lock, in particular a bolt lock for control-cabinet doors A bolt lock, especially for control-cabinet doors or similar doors or flaps. The lock comprises a flat-bar bolt that is mounted to move parallel to the edge of the door, preferably within the arc of swing of the door. Disposed on the flat-bar bolt is at least one lo... | 05/09/2006 |
| 6688656 | Multi-point lock A multi-point lock and method for locking with two remote mortise locks operated by a central actuator to which they are mechanically linked. The mortise locks are mounted with opposite orientation so that they simultaneously engage separate keepers from ... | 02/10/2004 |
| 6497437 | Slide rod locking device A slide rod locking system, especially for locking the door of a switchgear cabinet, having a handle which is coupled to a control element by a control mechanism. The handle can move around a pivotal axis running perpendicular to the plane of the cabinet ... | 12/24/2002 |
| 6457751 | Locking assembly for an astragal A locking assembly for an astragal that would be attached to the inactive door of a double door unit that would be installed in a residence or a building. The astragal would be attached to the edge of the inactive door in the space between the inactive do... | 10/01/2002 |
| 5732988 | Vehicle door latch device with power door closing mechanism A vehicle door latch device enclosed entirely within a vehicle door comprises a latch unit having a fork member which engages with a striker fixed to a vehicle body and a pawl which engages with the fork member for preventing the fork member from reversin... | 03/31/1998 |
| 5011198 | Handle latch assembly An improved handle and latch assembly for a portable personal computer. The computer includes a cover. To open the cover, the user grasps the handle and pushes it a slight distance toward the computer. The handle is slideably coupled to the cover of the p... | 04/30/1991 |
| 4754715 | Toggle-type safe door locking mechanism An improved safe is provided which offers the security of currently known more complex safes at substantially less cost. The safe preferably includes a cabinet having apertured door frame structure, with a door having inner, outer and sidewalls. Locking a... | 07/05/1988 |
| 4740020 | Multiple-step release lock for a storage container A cover is manually releasably locked to the base of a storage container for protecting the contents of the container from accidentally or inadvertently opening even on dropping. A forked member is mounted on the cover having tongues with eyelets extendin... | 04/26/1988 |
| 4547006 | Luggage closing device A device for closing a piece of luggage comprising two parts connected by a hinge comprises an elongate case extending along a side of one part opposite the hinge and an elongate keeper extending along a side of the other part opposite the hinge. The case... | 10/15/1985 |
| 4515401 | Door lock A door lock for attachment to a door which can move into a position adjacent to a jamb having a door strike. The lock includes a support member formed from a pair of spaced, generally parallel sides and an end wall interconnecting the sides. The sides and... | 05/07/1985 |
| 4513999 | Cassette fastening structure A device for opening and closing photographic cassettes or the like, which cassettes include a frame and a lid hinged to the frame. Device including a locking rod of two parts which may be moved longitudinally along one edge of the cassette by actuating m... | 04/30/1985 |
| 4120415 | Refuse container A refuse container is disclosed for use in both storage and transportation of accumulated refuse. The container body is an elongated cylindrical member having a rectangular cross section. The container includes a horizontally hinged tailgate having a vert... | 10/17/1978 |