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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7795554 | Antistatic component and method of manufacturing the same The present invention relates to an antistatic component and a method of manufacturing the same. An antistatic component of the present invention comprises buttons each of which includes a push portion 11 or 11′ formed at one end of the button and ma... | 09/14/2010 |
| 7382695 | Composite switch, and electronic equipment and electronic timepiece which possess composite switch To provide a jog switch type composite switch which has a waterproofness and in which a letter scroll is easy. Three button axles corresponding to three individual switches are attached to through-holes of an armoring cover while being made possible to perform a rec... | 06/03/2008 |
| 7256707 | RF transmission line and drill/pipe string switching technology for down-hole telemetry A modulated reflectance well telemetry apparatus having an electrically conductive pipe extending from above a surface to a point below the surface inside a casing. An electrical conductor is located at a position a distance from the electrically conductive pipe and... | 08/14/2007 |
| 7256363 | Intermediate switch actuator array A switch actuator assembly is provided comprising a circuit board housing including an upper housing and a lower housing forming a board compartment. A circuit board assembly, mounted within the board compartment, includes a switch element. A button assembly, positi... | 08/14/2007 |
| 7170018 | Dimmer switch A switch for adjusting a plurality of states of a load is provided having a large paddle actuator for adjusting a first state of a lightning load and incorporating an integrated rocker switch for adjusting a second state of a lighting load. The switch also comprises... | 01/30/2007 |
| 7170021 | Electrical switch rocker and assembly A rocker switch assembly has several rocker shells that define cavities to receive inserts of several varieties that allow the user to provide several rockers in a side-by-side assembly of rocker switches with a wave pattern that allows each switch to be easily iden... | 01/30/2007 |
| 7102092 | Power window switch apparatus A power window switch apparatus includes: a switch body; a operating knob pivotally supported by the switch body; a first stopper that is provided to the switch body and restricts a rotation of the operating knob to a first predetermined angle; and a second stopper ... | 09/05/2006 |
| 7022930 | Single directional cable actuated emergency stop device A cable actuated emergency stop system is disclosed, which includes a housing structure within which a single shaft assembly can be maintained for engaging a cable and a single shaft assembly that can be attached to the cable, wherein the single shaft assembly compr... | 04/04/2006 |
| 7009128 | Side contact rocker-type switch assembly An electrical switch assembly is provided for use as a single-pole, double-throw switch. The assembly includes a housing having an interior cavity. First and second stationary contacts are positioned on one side of the interior cavity, and third and fourth stationar... | 03/07/2006 |
| 6974918 | Rocker switch An apparatus (10) includes spaced contacts (40). A rocking contact (50) has first and second arms (52 and 54) in electrical contact with each other and is supported for rocking movement in opposite first and second directions. The ... | 12/13/2005 |
| 6914206 | Operation button fixing structure of electric device In order to facilitate fixing an operating button to the front panel of an electric device, the operation button includes a rectangular frame having at least one engagement piece integrally connected to and extending downwards from its bottom side. The operation but... | 07/05/2005 |
| 6891118 | Manually operable electrical operating member A manually operable, electrical operating member having two key buttons for the respective switching-on and switching-off of the current, which key buttons are arranged on mutually opposite sides and can be operated in several steps. A common, mechanically operable ... | 05/10/2005 |
| 6861606 | Switch actuator mechanism A switch actuator mechanism, for example for use with a circuit breaker, includes a rocker which has first and second rocker members which are hinged together. The rocker members have flat front faces which are movable between a condition in which they lie flat in t... | 03/01/2005 |
| 6747219 | Contractor arrangement with a blocking element Two contactors are mutually interlocked via a blocking element which is arranged between the contactors. The blocking element interacts with guides on the contact supports of the contactors. The guides act directly on the blocking element. Only compression forces, b... | 06/08/2004 |
| 6610952 | Vacuum cleaner actuator switch A switch assembly for a wet/dry vacuum cleaner is disclosed. The switch assembly includes a switch having a movable arm to connect first and second conductive terminals with a rocker arm pivotally attached to the switch. The rocker arm is operable by an a... | 08/26/2003 |
| 6596956 | SPDT switch with multiple contact arrangement An electrical switch includes a housing within which a stationary center contact arrangement is located. Spaced apart stationary first and second contacts are located on opposite sides of the center contact arrangement. A movable contact member is maintai... | 07/22/2003 |
| 6580044 | Switch device and method of assembling switch device Two adjacent operation knobs (14, 15) are formed integrally with each other via a coupling portion (18) On the coupling portion (18), there are formed a V-shaped gap variable portion (18a) and cylindrical portions (19) having positioning guide portions (2... | 06/17/2003 |
| 6345464 | Firearms with target illuminators, electric switching devices and battery power sources Apparatus for firing projectiles at targets and for illuminating such targets include a projectile-firing elongate weapon having a fore-end structure and a target illuminator on that fore-end structure in a first quadrant between a vertical plane and a ho... | 02/12/2002 |
| 6331686 | Apparatus having a switch which is operable via a dome-shaped elastic cover In an apparatus comprising a housing wall formed with a passage closed by an elastically deformable cover which has a raised portion and comprising switching means arranged behind the cover, a switching function of the switching means can be actuated only... | 12/18/2001 |
| 6066821 | Electrical switching apparatus with push buttons for a modular operating mechanism accessible through a cover plate Electrical switching apparatus such as a power circuit breaker, network protector or switch has a self-supporting operating mechanism module including a cage formed by a pair of side plates rigidly clamped in spaced relation by spacers. The cage supports ... | 05/23/2000 |
| 6005202 | Switching device having an unlocking device A device in which a triggered switching device (1), for example a contactor, may be maintained in its ON position even if the power supply is interrupted. The invention includes a mechanical locking system having a pawl (11), which is held in a bearing (1... | 12/21/1999 |
| 5821489 | Trim switch for radio control transmitter A trim switch for a radio control transmitter capable of exhibiting satisfactory operability and permitting concurrent operation of two such switch members to be readily selectively carried out in a transmitter which is adapted to operate two-in-a-set swi... | 10/13/1998 |
| 5655649 | Device for controlling a switch A device controls a switch by means of at least two buttons. The device has at least two buttons acting on levers, each having an end that can bear against the plunger of the switch. The device is particularly applicable to food processors.... | 08/12/1997 |
| 5610379 | Liquid and gas impenetrable switch A liquid and gas impenetrable switch, especially for electrical surgical instruments, has two pairs of contacts spaced from one another. The movable contact element of each pair is arranged between the associated fixed contact element and a diaphragm. Wit... | 03/11/1997 |
| 5588524 | Push wheel switch A push wheel switch including a housing, a toothed wheel rotatably disposed in the housing and two push buttons for controlling the rotation of the toothed wheel. The push buttons are depressed to rotate the toothed wheel so as to changedly show numerals ... | 12/31/1996 |
| 5558211 | Push-button actuated safety switch A protective switch having an actuation side. The protective switch includes a base having walls, a pivot shaft connected to the walls of the base, and a switching rocker pivotal on the pivot shaft to be pivotally seated on the base. The switching rocker ... | 09/24/1996 |
| 5349147 | Protection device against water splashes for electric switches and the like A water-splash protected electric switch apparatus which includes a casing of electrically insulating material and fixed contacts housed within the casing. A closure wall sealingly closes off the front of the casing. A pair of control push buttons dispose... | 09/20/1994 |
| 5318713 | Solid detergent composition with multi-chambered container A detergent package containing a solid cast detergent for use in ware and hard surface washing applications. The cast detergent contains alkaline chemicals and a phosphate-based sequestering agent. The cast detergent preferably contains less than about 25... | 06/07/1994 |
| 5124515 | Switching mechanism A switching mechanism is provided including a control member and a switching element which is coupled to the control member and by means of a coupling element can be moved between a first and a second position. The switching mechanism includes two couplin... | 06/23/1992 |
| 4943694 | Push-button cover assembly This invention is directed at a push-button cover assembly which includes a housing section and first and second actuators. The housing includes a first side, a second side, a third side, and a fourth side. The first and second sides include vertical chan... | 07/24/1990 |
| 4939325 | Push-button multi-position switch In the stepping or indexing drive of a character drum having secured thereat a pinion, wherein there is provided an actuation plunger for rotary motion of the pinion in the one direction and another actuation plunger for rotary motion of the pinion in the... | 07/03/1990 |
| 4780584 | Digital switch assembly A digital switch assembly which comprises a casing having a plurality of output terminals, a rotor rotatably accommodated within the casing and adapted to be rotated either directly or indirectly by the application of a finger pressure thereto, feelers ca... | 10/25/1988 |
| 4720614 | Pushbutton switch with latching arrangement A motor protection electric switch, and the like, in which contacts are opened and closed by means of a switch latch equipped with an "on" button and an "off" button, with the different positions of the "on" button indicating the switching state of the co... | 01/19/1988 |
| 4654488 | Push and rocker action switch A push and rocker action switch includes a pair of switchable contacts, either of which is switchable in response to a rocker motion of a depressible actuating member, and both of which are switchable at the same time in response to an overall push depres... | 03/31/1987 |
| 4647732 | Digital switch A digital switch may have an advantageous actuating member including, in addition to pawls for a ratchet mechanism, a pair of main bodies and spring portions integrally formed therewith, whereby the mechanical integrity of the actuating member and smooth ... | 03/03/1987 |
| 4544810 | Interlocking pushbutton selector switch A switch having a pair of spring-biased switch pushbuttons (6, 10) for operating respective switches (8, 12). A slidable interlocking bar (24) allows depression of only one pushbutton at a time. The switches may be either double-throw (18, 20) or single-t... | 10/01/1985 |
| 4539860 | Pushbutton interlock A unique interlock mechanism for two pushbuttons or other linearly operated devices, requiring no mechanical linkages or complex assemblies. The interlock mechanism essentially comprises an interlock member having first and second restraining portions dis... | 09/10/1985 |
| 4520247 | Pendant type electrical switching device An electric switching apparatus having a trough-shaped body member formed of tough, non-conductive, flexible and substantially fully resilient material within which are seated a plurality of switching mechanisms. A pair of tubular shaped sheath members fo... | 05/28/1985 |
| 4503303 | Miniature electrical switch The invention provides an electrical switch having a simplified structure. In one aspect of the invention, each of the pushers of the mechanism for driving the wheel is brought back to a rest position by the same return means made from a flexible material, thi... | 03/05/1985 |
| 4464549 | Digital switch Disclosed is a digital switch which is manually rotated step by step and which comprises a casing, a wheel rotatably supported in the casing, device for manually rotating the wheel step by step, an electrical contact carried by the wheel, an electrical ci... | 08/07/1984 |
