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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 |
| 7307691 | Maskless direct exposure system and user interface A direct exposure system comprises: a data mask that is a data object including drawing data; and a control mask that is a data object including at least one logical layer in which information about exposure conditions applied according to regions on a substrate is ... | 12/11/2007 |
| 7298426 | Television tuner having variable gain reduction An integrated circuit comprises a switching transistor having an emitter connected to a grounding terminal, a first resistor connected between a first gate of a first field-effect transistor and the grounding terminal, a second resistor connected between the first g... | 11/20/2007 |
| 7295251 | Television tuner capable of improving image disturbance with receiving UHF band The present invention provides to provide a television tuner capable of improving image disturbance when receiving a UHF band television signal. The television tuner comprises a tuning circuit having a tuning circuit having two varactor diodes connected in series wi... | 11/13/2007 |
| 7092835 | Process and system for the description and execution of automated tests The invention involves a process and system for testing a technical system, such as an electronic control devices. The system includes a data processing system for executing a test sequence stored in memory. The data processing system communicates with the technical... | 08/15/2006 |
| 7083447 | Printed circuit board module and disconnect bow The invention relates to a printed circuit board module which may be connected by way of at least one plug-in connector with an underlying pcb base and is detachable from the base, whereby to disengage the plug-in connector provision is made for a U-shaped disconnec... | 08/01/2006 |
| 7071887 | Antenna device capable of being tuned in wide band The present invention provides an antenna device capable of automatically obtaining excellent receiving sensitivity over a wide band. The antenna device comprises a rod-shaped base made of a dielectric material or a magnetic material; a stripe-shape radiating conduc... | 07/04/2006 |
| 7038904 | Capacitor and method of producing same A capacitor formed of parallel wiring lines and a capacitor dielectric film positioned between adjacent wiring lines and in direct contact with each of said wiring lines. A method of producing such a capacitor is also disclosed. ... | 05/02/2006 |
| 4130328 | Multi level programming assembly An electrical programming assembly includes two or more printed circuit boards stacked one above another plus contact pins which connect the printed circuit boards at the various levels with one another. Each printed circuit board includes columns and row... | 12/19/1978 |
| 4119991 | Horizontal one step automatic plate processor A compact, simple, fully automatic table-top plate processor for developing offset plates which are inserted horizontally in the front and ejected horizontally from the rear using paired transport rollers and brush rollers training the plate at the exit a... | 10/10/1978 |
| 4114028 | Optical punched card reader A punched card reader includes a base member for slidably receiving a punched data card having a plurality of columns and rows. Along one edge of the base member is a row of apertures corresponding in number and spacing to the rows on the data card. The b... | 09/12/1978 |
| 4109593 | Machine for making a textile product A machine for making a textile product comprising a rotatably mounted needle carrier shaft which is arranged to be set in a plurality of predetermined angular positions, yarn feeding means for feeding at least one yarn to a needle carried by said shaft, m... | 08/29/1978 |
| 4108529 | Electrical feedthrough devices An electrical feedthrough for connecting electrical components on opposite sides of a bulkhead includes a conductive sleeve, and disposed within the sleeve is a dielectric body carrying an electrical conductor extending longitudinally of the sleeve. The e... | 08/22/1978 |
| 4108314 | Apparatus for storing toiletries in a shower An apparatus for storing toiletries in a shower comprises an elongated mounted member which is secured to the plumbing element of the shower. The apparatus further includes a bottle carrier having a central aperture for receiving the neck of a toiletry bo... | 08/22/1978 |
| 4076321 | Electronic control system for operating a pneumatic trash linen conveying network An electronic control system for operating a pneumatic trash and linen conveying network comprises a plurality of circuits including a control circuit, a memory circuit, a timer circuit, a damper driver circuit and a station driver circuit. The system is ... | 02/28/1978 |
| 4071591 | Method of manufacturing foamed thermoplastic resin profiles A method for producing foamed thermoplastic resin profiles with an outer skin layer of increased hardness and an inner foam structure which may be used in place of wooden articles. The outer skin has a smooth surface and a good appearance, and the inner p... | 01/31/1978 |
| 4055929 | Threaded anchor A threaded anchor for embedding in a cementious material comprising a unitary member of generally cylindrical configuration, which is interiorally threaded and open at one end. The other end thereof is closed by a base portion of greater size than the dia... | 11/01/1977 |
| 4045129 | Apparatus for hard mounting an optical member to a rigid base The present invention relates to an apparatus in the form of a holder for hard mounting an optical member to a rigid base in order to maintain the relative spatial alignment of the assembly in the presence of differential thermal expansion of the elements... | 08/30/1977 |
| 4030898 | Quick freezing apparatus A quick freezing apparatus wherein a tank is charged with such medium which is liquid at the normal temperature and in a wide low temperature range under the atmospheric pressure as ethyl alcohol so as to be able to circulate and a food to be frozen is co... | 06/21/1977 |
| 4028791 | Keg handling apparatus and method The invention relates to apparatus and a method of conveying, orienting, transferring and debunging empty beverage kegs. The apparatus includes a keg elevator for raising the kegs to the uppermost of a series of superposed endless conveyor belts. The tens... | 06/14/1977 |
| 4022355 | Cartridge for containing and dispensing viscous material A cartridge for containing and dispensing caulking compound comprises an elongated tubular member, generally cylindrical in configuration, one end of which has a fixed end wall including a dispensing opening therethrough and a spout attached to the end wa... | 05/10/1977 |
| 4017139 | Positive locking electrical connector A female plug connector for receiving a standard jack has an outer sleeve having an annular edge at one end. On the interior of said sleeve are a locking surface of reduced diameter and a first and second containing surface of reduced diameter. The plug f... | 04/12/1977 |
