Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 6504472 | Apparatus and method for electronically delaying or stopping vehicles The invention relates to a mechanism for electronically disabling a motor vehicle. More specifically, the invention relates to a transmitter that is aimed by law enforcement personnel at a receiver attached to a motor vehicle driven by a suspect. The tran... | 01/07/2003 |
| 6081186 | Low-power door alarm and lock system An electronic system of locking and alarming one or more doors such that if an attempt is made to open the door, the alarm sounds. The device is preferably installed on vehicles having multiple built-in equipment compartments. The device is powered by the... | 06/27/2000 |
| 6068076 | Anti-theft device A vehicle theft prevention device (10) arranged to be fitted to the air inlet/outlet of a vehicle tire includes a motion detector (11) and an air release means (12). The device (10) can be armed so that, in use, a solenoid controlled valve (13) in the air... | 05/30/2000 |
| 5877969 | System and method for preventing auto thefts from parking areas A method and system to prevent auto theft from parking areas, such as airport parking lots, includes a ticket dispenser, at an entry gate, which issues a numbered ticket to each driver. The driver is advised to carry the ticket with him and not to leave i... | 03/02/1999 |
| 5670933 | Antitheft apparatus and method for an automobile If agreement between an identification code transmitted from a transmitter 111 installed in a door key 11 and a predetermined identification code is detected in an immobilizing ECU 12, a variable code including a predetermined key word is transmitted from... | 09/23/1997 |
| 5638302 | System and method for preventing auto thefts from parking areas A method and system to prevent auto theft from parking areas, such as airport parking lots, includes a ticket dispenser, at an entry gate, which issues a numbered ticket to each driver. The driver is advised to carry the ticket with him and not to leave i... | 06/10/1997 |
| 5477206 | Anti-carjacking apparatus A new and improved anti-carjacking apparatus for a motor vehicle includes an open door sensor assembly and a first timer assembly actuated by the open door sensor assembly. A first switch actuator assembly is activated by the first timer assembly for a fi... | 12/19/1995 |
| 5463371 | Window mounted automobile security alarm A portable automobile alarm hung over the top of an automobile side window is secured in place by raising the window into its frame. The portion of the unit positioned on the interior side of the glass contains a sensor, a receiver, and associated electro... | 10/31/1995 |
| 5090223 | Car theft deterrent to deflate tire A substantially "U" shaped break-away-bar assembly is constructed to a size and configuration to fit about a portion of an air-inflated vehicle tire. A key actuated lock latching assembly is carried by the break-away-bar assembly and includes an internall... | 02/25/1992 |
| 4873936 | Switching mechanism for anti-theft system An electrical switching mechanism has a pair of arcuate spring contact members which are mounted in a casing. An aperture is formed in the casing for receiving an actuator member which may comprise a screw or other similar actuator member. A camming membe... | 10/17/1989 |
| 4714131 | Waffle safety device A vehicle movement warning device particularly designed to deter vehicle theft by emitting a loud clatter if the vehicle is moved without authorization. Advantageously, the device also deters vehicle movement by providing a frictional impediment to moveme... | 12/22/1987 |
| 4592317 | Motor vehicle theft deterrent device A motor vehicle theft deterrent device comprising a supply of oil or other oily fluid introduced into the motor vehicle engine intake through one of the engine suction lines upon operation of the engine while a hidden switch is closed and turns on a valve... | 06/03/1986 |
| 4507644 | Touch responsive security and antitheft system A method and apparatus for preventing theft or unauthorized use of an article such as a motor vehicle. The apparatus includes an exposed electrically conductive element, at least one exposed electrically conductive touch pole and a control mechanism which... | 03/26/1985 |
| 4375200 | Antitheft device An antitheft device adapted for attachment to the valve stem of an inflated vehicle tire may comprise: a plunger assembly including a plunger engageable with a valve core of the valve stem and axially movable relative thereto for forcing the valve core to... | 03/01/1983 |
| 4340007 | Portable locking and alarm system A portable locking and alarm system for securing objects to a stationary member comprising an enclosed casing and a flexible cable secured at one end to the casing by a conventional key-type lock and secured at its opposite end to an audio alarm actuating... | 07/20/1982 |
| 4203382 | Tire removal indicator device A method of and apparatus for indicating the removal of lug nuts from the lug bolts on a vehicular hub mounted rim and tire assembly to provide an indication of whether the rim and tire assembly has been removed which includes operatively associating an i... | 05/20/1980 |
| 4073259 | Automotive theft signalling device A device, mounted on an automobile, operative--upon being pre-set to a working position--to produce an exteriorly audible signal if the automobile is subsequently operated without authority, as for example when stolen. The device comprises, essentially, a... | 02/14/1978 |
| 4001778 | Flasher lamp/protective container assembly An assembly is provided consisting of a flasher lamp of the type commonly found employed on barricades at construction sites as a means of providing a visual warning of the existence of a possible hazardous condition, and of a protective container for the... | 01/04/1977 |
