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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 |
| 7372430 | Light emitting device and light receiving and emitting driving circuit A light emitting device including a plurality of pieces of LEDs D01, D02 to D16, one or more driving circuit(s) for supplying the plurality of LEDs D01, D02 to D16 with electrical power, the number of the driving circuit(s) ... | 05/13/2008 |
| 7281845 | Watchcase adapted for a removable ornamental top The invention relates to a watchcase comprising: (a) a lower case characterized by a first annular recess for receiving an optically transparent cylinder and a timepiece support for receiving a timepiece mechanism; | 10/16/2007 |
| 7154817 | Electronic apparatus including an analogue display device for displaying any position on a dial The apparatus includes at least one information storing unit, a unit for processing said information, a management and control unit receiving control signals from the processing unit and a supply unit controlled by said management unit and controlling the movement o... | 12/26/2006 |
| 7038975 | Luminous hands and display device including the same, particularly in a timepiece There is provided a type of luminous hand including a part made of moulded transparent material that forms a circular head (28, 35) and a body (28, 34) of a hand. In order to direct a portion of a light beam parallel to the axis (15) of the hand... | 05/02/2006 |
| 6891778 | Watch with rotating conical bands and with removable objects A timepiece, such as a watch, has a plurality of concentric rotating bands, viewable from both above and from the side so that a viewer may read the time without changing the orientation of the timepiece. The timepiece has an attachment mechanism that permits the re... | 05/10/2005 |
| 6292439 | Watch A timepiece is provided with a liquid crystal display panel (10) capable of displaying at least either of time information and calendar information, and comprising a liquid crystal cell having a liquid crystal layer sealed in between a pair of transparent... | 09/18/2001 |
| 6229767 | Display device and electronic watch using the device A display device and an electronic watch permit various information to be clearly distinguished from a background when a solar battery is placed within a display area for displaying the information. A display device and the like include a polarizer, a liq... | 05/08/2001 |
| 5912064 | Dial plate for solar battery powered watch The dial plate according to the present invention comprises a substrate formed of a ceramic material and a colored coating layer formed on the substrate. And, the colored coating layer is characterized by having a colored layer formed of a ceramic paint c... | 06/15/1999 |
| 5694378 | Time display apparatus The invention relates to a time display apparatus consisting of at least two partly transparent discs (A, B, C) which are arranged concentrically and axially displaced with respect to one another, with each of the discs (A, B, C) being rotationally driven... | 12/02/1997 |
| 5109635 | Method for manufacturing watch dials of murrino glass and dials obtained with this method A method for manufacturing a glass watch dial made of "murrino" glass, said method comprising a phase for the axial drilling of the "murrina" disc, the hole resulting therefrom having a diameter to allow the passage of the watch-hand supporting shaft ther... | 05/05/1992 |
| 5088440 | Indicator for an indicating device An indicating mechanism is described. The mechanism is ideally suited for the indication of time but is also applicable to other indicating functions where changing information must be displayed. The mechanism is composed of a flexible belt bearing indici... | 02/18/1992 |
| 4472068 | Watch movement with a rotating minute disc Movement for a wrist watch, having at least one rotatable minute disc, a drive connection between the toothed disc edge and a drive pinion, being reliably and positively maintained in that the disc is mounted with clearance and capable of tilting, in that... | 09/18/1984 |
| 4459032 | Thin wrist-watch A thin electronic wrist-watch the thickness of which is constituted by the uperposition of a first crystal, at least two time indicating discs and a case back, the latter including a second crystal. The gears are supported on specially designed studs and m... | 07/10/1984 |
| 4362397 | Analog-display timepiece Instead of conventional hands, an hour disc and a minute disc are provided. The hands are represented by markers vaporized upon the undersides of the discs. The discs are pivoted on an arbor anchored in the watch glass. This arbor is hollow, and inserted ... | 12/07/1982 |
| 4229783 | Backlight for electrooptic display A backlight for an electrooptic display, such as a liquid crystal display, serves to diffuse and distribute light from a point source, such as an incandescent bulb, over a broad, flat thin area providing backlighting for the display. The backlight employs... | 10/21/1980 |
| 4158947 | Yacht timer There is provided in accordance with the invention a yacht timer and a means for converting a conventional sweep second watch or clock into a yacht timer, either of which will be found useful in both fun and highly competitive sailboat racing.... | 06/26/1979 |
| 4118924 | Display system for watches and the like An improved form of illuminated display, particularly for electric wristwatches and the like. A light-reflecting dial face is provided, and a plurality of prisms formed of light-transmitting plastic arranged thereon. A miniature incandescent lamp is attac... | 10/10/1978 |
| 4091610 | Switching mechanism for electronic wristwatch A thin-film transparent electrode is provided on the front glass of an electronic wristwatch to form a part of a switching mechanism cooperation with a metal frame provided at the back of the wristwatch. The metal frame is maintained in contact with the o... | 05/30/1978 |
| 4034549 | Shadow clock A shadow clock is provided which simulates a sundial by casting a shadow of a stylus created by relative movement between the stylus and one or more illuminated light sources to cast a shadow which moves across indicia on the face of a clock. In one embod... | 07/12/1977 |
| 4034554 | Clock with moving colored display A set of one or more closed receptacles, each having an internal partition dividing the interior into two compartments, each compartment being partially filled with a translucent flowable material such as a colored liquid. Preferably the receptacles are c... | 07/12/1977 |
