...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7236849 | Safety system for power equipment Apparatus and method is disclosed for providing a safety system for power equipment comprising a machine having a lower tool, an upper tool, and a safety controller. The lower tool is electrically isolated from the reversible upper tool. A safety controller is coupl... | 06/26/2007 |
| 7224558 | Method and apparatus for electromechanically interrupting and reconnecting circuits An apparatus and method for circuit interruption, with auto-power on and fault memory. The interrupter includes first and second locks in series with one another, and in series between the circuit driving source and load. The first lock is in communication with the ... | 05/29/2007 |
| 7216518 | Mechanical dial combination lock A mechanical dial combination lock for use in safes, file cabinets, security doors, vaults and warehouse doors. The disk type mechanical combination lock features a plurality of annular code discs, a base disc, a latch, an unlatching mechanism, a positioning mechani... | 05/15/2007 |
| 7071645 | Braking device for an electric motor, electrical apparatus provided with the braking device, and a method of braking A braking device for an electric motor of a power tool has a short circuit switch for short circuiting an armature winding of the electric motor during a braking process, the short circuit switch for controlling its switch condition having a control input, a control... | 07/04/2006 |
| 6952855 | Automatic electric toothbrush An motorized electric toothbrush (10) includes a removable brush head (16) and a switch (12) that allows the toothbrush (10) to be used in an “automatic” mode. The “automatic” mode provides for intermittent motorized operation, su... | 10/11/2005 |
| 6943306 | Interlock mechanisms The present invention provides an interlock mechanism suitable for use with a blower-vacuum device, which comprises: a user-operable switch (30) having a first condition for activating a motor of said blower-vacuum device and a second condition for deactivati... | 09/13/2005 |
| 6895625 | Automatic electric toothbrush An motorized electric toothbrush includes a removable brush head and a switch that allows the toothbrush to be used in an “automatic” mode. The “automatic” mode provides for intermittent motorized operation, such that when the brush head contacts the operato... | 05/24/2005 |
| 6823134 | Automatic reverse motor controller A method and apparatus to automatically reverse the motor of a dispensing gun or similar tool. The invention includes a controller that automatically reverses the direction of plunger movement and removes the plunger from contact with the back wall of a cartridge. T... | 11/23/2004 |
| 6792640 | Automatic electric toothbrush An electric, motorized toothbrush includes a switch that has an “automatic” position. The “automatic” mode provides for intermittent motorized operation, which is dependent upon application of an external force. Various embodiments allow for the force to be ... | 09/21/2004 |
| 6717080 | Power tool trigger assembly A trigger assembly for an electric power tool including a motor comprises a base for fixing within the power tool and a trigger supported by the base for inward and outward movement. A mechanical switch in the base switches on and off the motor. An operating circuit... | 04/06/2004 |
| 6674025 | Motivational apparatus for controlling use of electronic devices and method of use A motivational apparatus for controlling use of an electronic device, wherein the apparatus is interconnected between a source of transmission (e.g. power) and the electronic device to control transfer of transmissions from the transmission source to the ... | 01/06/2004 |
| 6548776 | Safety device for on/off switch of an electric tool A safety device for on/off switch of an electric tool comprises a casing having a switch and a link assembly, in which the link assembly is composed of a knob, a first link lever, a second link lever, a trigger, and a dog. The pivotal joint correlation am... | 04/15/2003 |
| 6400242 | High current auxiliary switch for a circuit breaker An auxiliary switch for a circuit breaker of the split case type. The switch is capable of switching the rated interrupt current capacity of the breaker and is fitted in to the circuit breaker case so that the overall width is substantially equal to or le... | 06/04/2002 |
| 6392169 | Two hand control of working apparatuses A safety device for control of working apparatuses, e.g. presses, for which start and operation modes depend on essentially simultaneous activation of two separate operating devices, which are each controlled by the respective hands of the operator. Each ... | 05/21/2002 |
| 5219066 | Wall mounted alarm switch with adjustable height actuator A wall mounted alarm switch assembly intended to be positioned at the site of an existing electric circuit includes a remote mechanical actuating mechanism for the switch assembly. The actuating mechanism comprises dual side-by-side manual interfaces or k... | 06/15/1993 |
| 4988840 | Control switch A control switch having an air gap safety lever, a novel slide arrangement, and a illuminated on-off control switch. The air gap safety lever is mounted on the control switch in such a manner that no power may flow through the circuits until the unit has ... | 01/29/1991 |
| 4603238 | Fast indexing encoder apparatus A rotatable cylinder having a plurality of drivers mounted therein for axial movement with each driver having a projection thereon extending through openings in the cylinder to engage rotatably mounted rings coaxially positioned around the cylinder and a ... | 07/29/1986 |
| 4566033 | Television viewing time regulator A small regulator unit including a solid state timer activated by a reed switch is installed between a television receiver and a convenient wall outlet. The unit has a passageway adjacent to the reed switch for the reception of magnetic tokens which act o... | 01/21/1986 |
| 4253095 | Alarm apparatus for detecting disturbance or other change of condition A compact portable housing encloses a piezoelectric element which receives short pulses from a pulse generator circuit controlled by a ramping waveform generator circuit so that the element and the adjacent speaker portion of the housing produce a frequen... | 02/24/1981 |
| 4155420 | Theft proof ignition system A device for preventing the theft of a motor vehicle employs a casing that encloses the vehicle's distributor in a virtually impenetrable shell. A stack of rotatable discs in the casing must be properly set in the manner of a combination lock to enable th... | 05/22/1979 |
| 4112267 | Coded switching device A coded switching device having a plurality of actuator dial knobs will, n set to a predetermined combination, provide electrical continuity between terminals on the device. Setting the dial knobs to another predetermined combination will enable the comb... | 09/05/1978 |
| 4107485 | Device for completing an electric circuit or the like for a lock or the like As a requirement for the opening of a lock or similar security device, an operative group of partially series-interconnected switches is required to be completely series-interconnected, i.e. placed in a closed circuit relation. However, in contrast to a t... | 08/15/1978 |
| 4008382 | Safety electrical plug An electrical plug adaptable for joining the conductors of an attached line cord to a socket, in which conducting elements are mounted on one or more discs rotatably mounted in the plug so that the plug conducts electricity only when the discs are rotated... | 02/15/1977 |
| 4000409 | Combination switch lock for a motor vehicle ignition system A combination switch lock for a motor vehicle ignition system, having a multiplicity of switches, a predetermined number of which are in series with the ignition circuit. The ignition circuit is completed only when a series of predetermined switches are c... | 12/28/1976 |