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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7360383 | Key sheath A key sheath has a casing, an attracting element and a connector. The casing is hollow and has an inserting groove, a chamber, an opening and two mounting holes. The inserting groove is defined in the front end of the casing. The chamber is defined inside the casing... | 04/22/2008 |
| 7353671 | Adjustable width coupler latch lock An adjustable coupler lock for locking a trailer hitch such that a trailer cannot be removed from a vehicle. The coupler lock comprises a lock body with a locking mechanism and a locking plate, and also comprises a shaft having a narrow and a flange end, and also ha... | 04/08/2008 |
| 7337636 | Anti-theft device An anti-theft device including a shaft divided into first and second brackets and a locking mechanism. First bracket defines first 300a and second 320a edges, second bracket defines first 300b and second 320b e... | 03/04/2008 |
| 7251970 | Cylinder housing arrangement A cylinder housing arrangement, where the cylinder housing encloses a lock cylinder or the like, which comprises a number of locking elements to be arranged by a key, preferably tumbler discs to be turned by a key, which discs in their locked position prevent the tu... | 08/07/2007 |
| 7234326 | Lock device A lock device includes a lock housing unit, a jaw actuating unit, and a jaw unit. The lock housing unit includes an upper lock housing formed with a rod hole, and a lower lock housing formed with a jaw hole. The jaw actuating unit includes a jaw actuator operable to... | 06/26/2007 |
| 7131302 | Keyway plug for safe deposit locks A keyway plug that discretely provides a device for preventing a person from unlocking a tumbler lock even if the correct key is used. The present invention includes a plug member that is sized to fit entirely within a keyhole and is effective to block a key from be... | 11/07/2006 |
| 7121122 | Strap lock A strap lock has a flexible strap having a leading end and a trailing end. A locking device includes a first strap engagement portion that is capable of holding one part of the strap in position with respect to the locking device in a lock position thereof, and rele... | 10/17/2006 |
| 7121125 | Computer physical security device An apparatus which inhibits the theft of equipment such as personal computers is disclosed. The equipment must have an external wall provided with a specially designed, approximately rectangular slot having preselected dimensions. An attachment mechanism includes a ... | 10/17/2006 |
| 7107802 | Wheel immobilizer An immobilization apparatus for a vehicle having a wheel with a tire. The apparatus comprises first and second elongated members having inner ends and outer ends. The inner ends are connected together and the outer ends are angularly spaced apart. There is an L-shap... | 09/19/2006 |
| 7051562 | Retainer clip for lock plugs A retainer clip is used for retaining a lock plug within a bore of a lock housing. The retainer clip includes a generally arcuate body disposeable about the plug outer surface and having a radial retention surface positionable generally against a housing end surface... | 05/30/2006 |
| 6971254 | Security device, method of manufacturing the same, and method of operating the same A security device secures an apparatus having a wall (1110) with a slot (1120). The security device includes first and second shafts. The shafts have arms (10) rotatable about their respective axis into and out of their respective unlocked posit... | 12/06/2005 |
| 6880376 | Anti-twist key lock with changeable locking device This invention relates to an anti-twist key lock with changeable locking device, the anti-twist key lock having a key lock case, on the circumference of the key lock case having a slit and an opposite inner groove. A locking tumbler set is installed in the key lock ... | 04/19/2005 |
| 6823627 | Security door shield A method and kit for retrofitting security doors to facilitate escaping from buildings during emergencies. One benefit is that it applies to new security doors as well as existing security doors. Still yet another benefit is that it can be molded from a corrosion re... | 11/30/2004 |
| 6658906 | Doorknob disabling device A device for temporarily disabling a doorknob attached to a hinged door. The device covers the doorknob with a rigid enclosure, preventing rotation of the doorknob to move the associated locking bolt. A retaining unit is mated with an extension from the r... | 12/09/2003 |
| 6463770 | Lock for a computer A lock for a computer has a housing, a core pivotally mounted to the housing, a latch formed on and extending out of the core, a rod coupled to the core. The rod has a flange end and a pair of pins extending from the flange end. A spring is disposed aroun... | 10/15/2002 |
| 6439005 | Anti-theft security device for vehicles An anti-theft security device for vehicles for preventing a user's vehicle from being stolen. The anti-theft security device for vehicles includes a tubular member being removably and securely and lockingly fastened about a steering wheel column; and also... | 08/27/2002 |
| 6324877 | Lockout device A locking device for use in connection with an energy controlling apparatus, such as a valve, or regulator, to prevent unauthorized persons from changing the position of a rotatable shaft of the apparatus that controls the amount of energy that flows thro... | 12/04/2001 |
| 6209365 | Lockout device A lockout device to prevent tampering with the manually set position of a valve or regulator or other device having a rotatable shaft for adjusting, for example, the flow of fluid through the device, from a position intially set to some other position. Th... | 04/03/2001 |
| 6205826 | Lockout device A lockout device to prevent tampering with the manually set position of a valve or regulator or other device having a rotatable shaft for adjusting, for example, the flow of fluid through the device, from a position initially set to some other position. T... | 03/27/2001 |
| 6178787 | Motorcycle wheel disk lock reminder system A motorcycle wheel disk lock reminder system for reminding a user that a disk lock is mounted to the wheel of the user's motorcycle so that the user does not drive the motorcycle with the disk lock attached to the wheel. The motorcycle wheel disk lock rem... | 01/30/2001 |
| 6155090 | Cylinder lock The front end (7b) of the plug (7) of a cylinder lock is covered by a profiled element (5) which includes a key hole (6) whose profiled shape will only permit certain individual keys of a family of keys that can be inserted into the plug also to fit the p... | 12/05/2000 |
| 6152483 | Switching unit for disabling a passenger airbag A switching unit for selectively disabling a passenger airbag of a motor vehicle includes a housing having an opening and a cylinder having a key slot accessible within the opening. The switching unit further includes a plug which can be inserted into the... | 11/28/2000 |
| 6044673 | Locomotive controller lockout device A locomotive locket device for disabling the forward/reverse control system of a locomotive or other powered railway vehicle has an axially-expandable plug portion which may be inserted into a keyhole chamber in a locomotive controller. The plug portion c... | 04/04/2000 |
| 5953943 | Security lock A high security lock employs a key plug rotatably mounted within a lock housing. Restraining means selectively prevents relative motion between the key plug and lock housing. The key plug is operatively linked to a latch operating bar. The latch operating... | 09/21/1999 |
| 5950462 | Lockout device A lockout device to prevent tampering with the manually set position of a valve or regulator or other device having a rotatable shaft for adjusting, for example, the flow of fluid through the device, from a position initially set to some other position. T... | 09/14/1999 |
| 5832762 | U-lock keyway protector A U-lock keyway protector comprising a cylindrical tube mounted for rotation on a U-lock crossbar. The keyway protector generates enough friction against the crossbar to allow only manual rotation, and it provides a secure grip for ease in rotation. A key... | 11/10/1998 |
| 5746078 | Protection device for key lock openings A new Protection Device For Key Lock Openings for preventing moisture and dirt from entering key locks. The inventive device includes a dome-shaped cap, a handle on one side of the cap, and a magnetized clip extending from the other side of the cap and si... | 05/05/1998 |
| 5704231 | Lock and protective cover assembly and kit for the same The improved padlock and protective cover assembly includes a flexible resilient cover of natural or elastomeric material releasably disposed around the body of a padlock. The hasp, including its rungs, project up and out of the top of the cover. The cove... | 01/06/1998 |
| 5669255 | Anti-tamper lock guard For a circular lock currently in popular use that is disposed in covering relation over lugs projected internally of the lock and consequently results in the holding of the lock stationary, an anti-tampering guard that encircles the lock and has a rotatio... | 09/23/1997 |
| 5566559 | Dyeing machine without rollers A dyeing machine without rollers including a circular trough having a neck portion at an upper portion, a tail portion having an upper inlet extending upwardly and then vertically downwardly to form a lower outlet, a large tubular passage located under th... | 10/22/1996 |
| 5566560 | Air bag anti-theft device The present invention relates to an anti-theft device capable of engaging a middle portion of a steering wheel containing an air bag device. This device includes an air bag cover having a front portion, a first side portion and a second side portion. The ... | 10/22/1996 |
| 5423583 | Door knob spinner lock An openable rotatable shell which is positioned on and encloses a conventional key lock door knob. The shell freely rotates and prevents exerting a turning force on the knob. Since the keyhole on the knob is covered by such shell, the door cannot be opene... | 06/13/1995 |
| 5417093 | Propeller lock A lock to prevent theft of a marine propeller assembly having a cylindrical shaped housing on which are exteriorly mounted a series of propeller blades, with the open end of the propeller housing being flared outwardly, the assembly further being mountabl... | 05/23/1995 |
| 5361610 | Totelock A pair of plates that are inserted into the disk drive of a computer. The plates are then locked together by the addition of a padlock or other locking means thus preventing disk drive use and removal of the plates. The plates and computer can be secured ... | 11/08/1994 |
| 5343721 | Ignition locking device A device is disclosed for locking the key ignition of a vehicle. The device includes braided cables encased in neoprene rubber, and a recess is provided at the midpoint of the length of these cables. A locking housing is basically cylindrical in shape and... | 09/06/1994 |
| 5212970 | Motor vehicle anti-theft device A motor vehicle anti-theft device is provided which consists of an enclosure to fit about a steering column and an ignition switch on the steering column of the motor vehicle. A mechanism is for locking the enclosure about the steering column, so as to pr... | 05/25/1993 |
| 5203187 | Portable door lock closure The present doorlock closure secures existing doors having conventional doorknobs against entry by enveloping the doorknob with opposed cavity compartments of knob confining segments. Upper and lower housing segments are hinged together such that they may... | 04/20/1993 |
| 5197315 | Automobile anti-theft device The automobile anti-theft device consists of a hardened steel collar which encircles the steering column of the automobile and includes two rotatably attached sections which are attached to each other by sliding one end of a first section underneath an en... | 03/30/1993 |
| 4899564 | Doorknob security device The present invention entails a doorknob security device for preventing access to the outer surface of the doorknob and particularly to a keyhole or other locking and unlocking mechanisms formed about the surface of the knob. In particular, the security d... | 02/13/1990 |
| 4798069 | Protecting device for lever handle door locks A protection device useful for preventing access to a cylinder key lock on a lever handle handle door lock incorporates a first and second half which are joined together along a junction to form a united body. The united body has a closed bottom wall and ... | 01/17/1989 |
