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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 4958365 | Medical imaging device using triggered plasma cathode flash X-ray source A medical imaging device employs a plurality of triggered plasma cathode flash X-ray sources, each of which has an axially extending round anode rod, a cathode, and a trigger electrode. The application of a trigger pulse between the electrode and the cath... | 09/18/1990 |
| 4945659 | Ski boot having an interchangeable sole portion for controlling global wedging angle of the boot A ski boot for use with a ski having a top surface includes a rigid shell base having an upper wedged thereon at an orientation angle alpha with respect to the normal to a mating surface carried by a tenon on the toe end of the base. A separate sole porti... | 08/07/1990 |
| 4942964 | Storing box for booster cable A booster cable storage assembly includes a housing member, having two compartments, the first of which houses the booster cable and a reel member, the second housing a first booster clamp and a second booster clamp. The second compartment is separable fo... | 07/24/1990 |
| 4936009 | Device for assembling the parts of an angle linkage An assembly device includes automatic assembly facilities to bring together the different parts of an angle linkage. Such automatic assembly facilities are made up of an assembly machine including, in particular, a conveyer moving forward step-by-step in ... | 06/26/1990 |
| 4937795 | Access alarming method and apparatus for working vehicle An access alarming method and apparatus for activating an alarm in the event of the access of a working vehicle, such as a road roller, to an object, such as a worker, in the same working area as the vehicle. An ultrasonic wave transmitted by a transmitte... | 06/26/1990 |
| 4930212 | Machine for assembling the different parts of a fitting element of a door or window fitting A machine intended for assembling the different parts of a fitting element (2) of a door or window fitting composed of an operating rod (3) and of a plate (4) having, for each part to be assembled (6, 7, 11, 18, 19, 23, 28, 29, 34) a supply magazine (53, ... | 06/05/1990 |
| 4928988 | Safety binding for a ski A apparatus for connecting a boot to a ski, preferably for a cross-country ski. The apparatus includes a plate adapted to be attached to the ski for receiving the sole of the boot. A ski binding is attached to the plate at a first end thereof for attachin... | 05/29/1990 |
| 4929363 | Method for filtering a fluid A method for filtering a fluid in a filter system, including a filter housing and a filter element, which method comprises modifying filter throughput in such a way that differential pressure across the filter system caused by build-up of filter cake is s... | 05/29/1990 |
| 4925331 | Connector member for wood construction work For power transmission between a wooden beam and another building component, for example another wooden beam, a blind bore and a vent bore opening into the bottom of the bore are formed in the wooden beam. An insert body is pushed into the blind bore. Thi... | 05/15/1990 |
| 4924247 | Apparatus and method for correcting and adjusting parallax in electronic camera A parallax correcting apparatus is provided which comprises an imaging device driving mechanism for supporting an imaging device so as to move away from and close to the optical axis of a finder optical system. The imaging device driving mechanism moves t... | 05/08/1990 |
| 4924266 | Printer for continuous form In a printer for printing information onto a continuous form, at least one of opposite side edges of the continuous form is detected by a side-edge detecting arrangement. It is judged that a traveling abnormality of the continuous form occurs, when a dete... | 05/08/1990 |
| 4921172 | Electrostatic sprayer device for spraying products in powder form An electrostatic sprayer device for spraying products in powder form comprises an air-powder mixture pipe with an ejector orifice at one end. It has a charging electrode adjacent this orifice and a counter-electrode coaxial with and to the rear of the cha... | 05/01/1990 |
| 4918476 | Still camera A still camera has a taking lens and a light emitting device for indicating actuation adapted to project an indication light to a projection area generally coincident with a taking area of a taking lens during actuation of a self-timer.... | 04/17/1990 |
| 4918480 | Electromagnetic shutter for camera An electromagnetic shutter of a camera in which a lens is moved to a focal position by a rotation of a single reversible motor in one direction and the exposure control is effected by the reverse rotation of the same motor in the opposite direction, inclu... | 04/17/1990 |
| 4916975 | System for the control of the output speed of a torque converter with two differentials A torque converter system is provided with two differential gears, the cage of the first differential gear receiving the power from the engine motion input shaft and the output shaft of the second differential gear cage driving the system output shaft. Th... | 04/17/1990 |
| 4918264 | Actuating mechanism and multiposition rubber or membrane switch device A switching device comprising a rubber switch, an operating member displaceable between at least two operative positions and a neutral position, and a cooperating member shiftable between the at least two cooperative positions and neutral position in resp... | 04/17/1990 |
| 4914923 | Method of covering artificial alpine- or nordic-skiing tracks with snow and means for implementing the method Method for covering with snow artificial slopes for downhill or cross-country skiing, comprising the formation of an ice layer forming the bottom of the run, the on site production of snow by machining said ice layer by forming chips having a predetermine... | 04/10/1990 |
| 4916475 | Camera having zoom lens and variable illumination angle strobe A camera including a variable illuminating angle strobe device, includes a zoom lens which has a group of variable power lenses for stepwise or successively varying the focal length; a light emmitter which has a condenser lens, a light emitting tube and a... | 04/10/1990 |
| 4916318 | Scan type optical reader with changing beam waist position A scan-type optical reader having a laser source used for reading information on a subject such as, for example, a bar code. A deflecting optical member deflects a laser beam emitted from the laser source to the subject to be scanned. In the reader there ... | 04/10/1990 |
| 4915835 | Flushable fiber-filter element for filtering a fluid There is provided a filter element for filtering fluids. The element consists of a body member having at least two openings provided, respectively, access and egress for the fluid and a plurality of fibers of a substantially uniform orientation over at le... | 04/10/1990 |
| 4915407 | Binding with independently acting release and retention features A safety binding adapted to releasably hold a boot on a ski, including a device for securing the binding to the ski, a movable body with spaced lateral arms pivotably connected to the securing device, a jaw pivotably connected to the body which includes a... | 04/10/1990 |
| 4915405 | Binding with double-acting release mechanism A safety binding adapted to releasably hold a boot on a ski includes an apparatus for securing the binding to the ski, a movable body with spaced lateral arms pivotably connected to the apparatus transversely to the longitudinal extent of the ski, and a j... | 04/10/1990 |
| 4915110 | Therapeutic electrostatic device There is provided an electrode device for making contact with a living body surface, comprising an electrical current conductive element configured to have a face with a restricted cross-sectional area and including a current insulating material affixed t... | 04/10/1990 |
| 4913536 | Variable power lens and method A variable power lens includes a pair of optical membranes, each of which has a periphery and at least one of which is flexible. A frame is provided for holding the membranes with their peripheries in juxtaposition such that the surface of the membranes a... | 04/03/1990 |
| 4912490 | Printer for continuous form with justification control A justification system for use in an electrophotographic printer. The justification system comprises a detector which detects pulses occuring at intervals each covering a segment of a continuous form. A counter coupled to the detector counts the number of... | 03/27/1990 |
| 4912735 | Power transfer apparatus particularly for CT scanner A CT scanner comprises a static gantry member and a rotatable member mounted on the gantry member for rotation about a central axis. A stationary power supply is associated with the gantry member for supplying power to an x-ray tube mounted on the rotatab... | 03/27/1990 |
| 4911630 | Device for preventing scattering of ejected, molded articles for use in resin molding machine Disclosed is a device for preventing the scattering of ejected molded articles in a plastic forming. The scattering prevention device includes screens made of a synthetic resin film and disposed at both sides of molds mounted on a fixed die plate and a mo... | 03/27/1990 |
| 4911542 | Apparatus for preventing internal reflection in zoom lens In a zoom lens system having front and rear groups of lenses movable in an optical axis direction, an apparatus is provided for preventing internal reflection. The apparatus comprises a movable antireflection member which is located at the rear of the rea... | 03/27/1990 |
| 4911464 | Movable and recenterable anti-friction plate for use with a safety binding A safety binding comprises a fixed body and two independent wings which are laterally pivotable on a stationary member. An anti-friction plate can be pivotably mounted around a fixed axis and comprises two openings which respectively receive two arms whic... | 03/27/1990 |
| 4911463 | Safety binding for ski A safety binding for a ski includes a jaw for holding the sole of a ski boot, the jaw being movable at least transversely with respect to the axis of the ski. The jaw is held in its normal position by an elastic member which returns it into its normal pos... | 03/27/1990 |
| 4911462 | Cross country ski Cross country ski comprising an upper longitudinal rib having a generally vertical trapezoid cross section. The longitudinal rib has at least two superimposed layers extending to form the upper base, and two sides of the trapezoid.... | 03/27/1990 |
| 4910890 | Alpine ski boot having a supporting flexion element and internal foot tightening apparatus A ski boot including a rigid shell base and a cuff journalled to the shell base. A manipulation lever for adjusting the fit of the boot, the manipulation lever being positioned at an upper zone of the shell base. At least one flexion element having a spac... | 03/27/1990 |
| 4910889 | Ski boot liner A boot liner, preferably for use with a ski boot of the rear-entry type, including an exterior envelope and an interior sock, having an injection cavity therebetween. Within the injection cavity, a filling product is designed to be injected for retaining ... | 03/27/1990 |
| 4910888 | Alpine ski boot having an upper journalled on a shell base A ski boot having a shell base and an upper. The upper includes a front cuff and a rear spoiler which are independently pivoted on the shell base. The rear spoiler is mounted in such a manner as to allow two types of movement. The rear spoiler can rotate ... | 03/27/1990 |
| 4908943 | Method of forming lead terminals on aluminum or aluminum alloy cables To form lead or lead alloy terminals on cables comprising an insulative sheath and an aluminum core, the appropriate length of the core is bared and a metal part is fixed to the bared core. The terminal is then cast over this metal part. The metal part is... | 03/20/1990 |
| 4909019 | Process and apparatus for packaging an article A method and apparatus for packaging an article such as, for example, a chocolate bar or other food product. In a preferred embodiment, the apparatus includes a conveyor system including a portion which leads the articles to a rotary inverter subsequent t... | 03/20/1990 |
| 4909532 | Cross-country ski binding A "step-in" binding for cross-country skis. The binding includes a latching element, directly biased into an attachment position, which is pivotably mounted to a stirrup element, which is pivotable mounted to a linkage element, the linkage element being i... | 03/20/1990 |
| 4910544 | Focus adjusting apparatus in zoom lens camera A focus adjusting apparatus including an immovable cylinder secured to a camera body, a cam ring which is associated with the immovable cylinder to rotate and move in the optical axis directions and which is provided on its outer periphery with a circumfe... | 03/20/1990 |
| 4909678 | Boring apparatus for a laminated plate and boring cutter An apparatus for boring a laminated plate includes a table having a first surface on which a laminated plate may be placed for boring and an opposing second surface, the table defining at least one passage therethrough; a supporting pad for urging a lamin... | 03/20/1990 |
| 4907512 | Tandem projectiles connected by a wire A tandem projectile is made up of a front and rear projectile. The projectiles are connected by a wire which unwinds during flight of the projectiles. The front projectile leaves a launcher at greater initial velocity than the rear projectile, so that a w... | 03/13/1990 |
