...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 |
| 5325342 | Surface-enhanced raman optical data storage system An improved Surface-Enhanced Raman Optical Data Storage System (SERODS) is disclosed. In the improved system, entities capable of existing in multiple reversible states are present on the storage device. Such entities result in changed Surface-Enhanced Ra... | 06/28/1994 |
| 5321496 | Apparatus for monitoring trash in a fiber sample An apparatus for monitoring trash in a sample of trash particles and fibers includes scales for determining the weight of the sample which is transmitted to a computer. The sample is presented to a sensing volume and an optical sensor produces an output s... | 06/14/1994 |
| 5321092 | Method for bleaching tackifying resins A method for bleaching hydrocarbon tackifier resins which comprises adding a bleaching agent to a molten resin and recovering a bleached hydrocarbon tackifier resin. The bleaching agent comprises from about 0.04 wt.% to about 0.06 wt.%, based on the weigh... | 06/14/1994 |
| 5317770 | Emergency stretcher and temporary bed An object of the present invention is to provide a collapsible stretcher. The stretcher comprises: a mattress section having a rectangular shape, the mattress section being made of a material, which is capable of absorbing air, the mattress section being ... | 06/07/1994 |
| 5316212 | Package and blank for making the same A package having cardboard wall panels and a retractable pour spout (40) is fabricated from an integral cardboard blank with a respective pair of overlapping inner and outer wall panels (10 and 14) whereby the package is opened for content removal by exte... | 05/31/1994 |
| 5314063 | Golf bag having external frame The specification discloses a golf bag having an external frame. In a preferred embodiment, the bag includes an elongate body formed of a pliable material, such as nylon, which defines a cavity for receiving golf clubs and a rigid frame positioned externa... | 05/24/1994 |
| 5313892 | Table with height and tilt adjust A pneumatic table that adjusts to various positions. Pneumatic cylinders controlled by a pneumatic system raise and lower the tabletop to a desired position. Brakes are used to lock the tabletop once it is in its desired position. The tabletop tilts forwa... | 05/24/1994 |
| 5303532 | Mower support apparatus and system A mowing system capable of being pulled behind a tractor or other prime mover utilizes a support apparatus for supporting a grass cutter adapted to cut grass as the cutter is rotated and moved forwardly into cutting relationship with grass. The support ap... | 04/19/1994 |
| 5303910 | Pick-up means for use with limp sheet material A device for picking up a top layer of limp sheet material from a lay-up of sheet material includes a head assembly including a pair of rollers between which the top layer is retainably gripped and a double-acting cylinder for lifting the head assembly, w... | 04/19/1994 |
| 5292438 | Filtration medium including uniformly porous planar substrate and uniformly spaced apart thermoplastic resin A novel filtration medium, preferably of the closed loop belt type, comprising a woven substrate which is overlaid by a disparate layer comprising a plurality of individual thermoplastic resin particulates which are controllably spaced apart from one anot... | 03/08/1994 |
| 5282907 | Two-phase chromium-niobium alloys exhibiting improved mechanical properties at high temperatures The specification discloses chromium-niobium alloys which exhibit improved mechanical properties at high temperatures in the range of 1250° C. and improved room temperature ductility. The alloys contain a Cr2 Nb-rich intermetallic phase and a ... | 02/01/1994 |
| 5275562 | Method and material for obturating an extirpated root canal A method of obturating an extirpated root canal and an associated filler material utilizes two classes of gutta-percha, one class of which becomes plasticized at a predetermined temperature and the other class of which becomes plasticized at a temperature... | 01/04/1994 |
| 5276598 | Display unit and light box therefor A display unit is formed of a number of individual light boxes which are electrically and mechanically interconnected in one or more rows. Each light box comprises complementary mounting and hook-on strips at two opposite sides for detachable interconnect... | 01/04/1994 |
| 5273509 | Handle for exercise machines The application discloses a handle for an exercise machine having a force resistor such as the cable type wherein a weight stack supplies resistance to movement of the handle along a path through an interconnecting cable system. The handle includes a grip... | 12/28/1993 |
| 5271991 | Additive for increasing the surface energy of molding and extrusion grade polyethylene A method is disclosed for increasing the surface energy of a surface of an organic polymeric material, particularly polyolefins. The method is comprised of blending from about 99.5% to about 90.0% by weight of the polymeric material with from about 0.5% t... | 12/21/1993 |
| 5272196 | Additive for increasing the surface energy of molding and extrusion grade polymers A method is disclosed for increasing the surface energy of a surface of an organic polymeric material, particularly polyolefins. The method is comprised of blending from about 99.5% to about 90.0% by weight of the polymeric material with from about 0.5% t... | 12/21/1993 |
| 5270787 | Electro-optical methods and apparatus for high speed, multivariate measurement of individual entities in fiber or other samples Single entities such as fibers are delivered one at a time to a fluid stream, and a nozzle orients the entities so that each entity along its length (major dimension) is generally parallel with the direction of fluid flow. The entity then enters a sample ... | 12/14/1993 |
| 5266994 | Method and apparatus for the processing of a photosensitive sheet material employing a minimum of liquid processing fluid A method for processing a flexible photosensitive sheet or web material (PSM) including a photographic emulsion on at least one of the flat surfaces thereof and employing a minimum quantity of processing solution including the steps of containing the proc... | 11/30/1993 |
| 5263261 | Shaft alignment data acquisition Methods and systems for acquiring offset data for aligning co-rotatable in-line machine shafts. Two sets of offset data, each set for example representing relative displacement in a radial direction between a reference point referenced to one of the shaft... | 11/23/1993 |
| 5262732 | Oil monitor with magnetic field An apparatus for detecting the degree of deterioration in lubricating oil including a grid-like capacitive sensor, that uses the lubricating oil as a dielectric medium, and a magnetic field imposed upon the oil to attract ferromagnetic wear particles into... | 11/16/1993 |
| 5259952 | System for separating solids from a liquid in a divided channel System for separating solids from slurry containing a separable solid in a liquid carrier, such as an industrial waste. The slurry is flowed into a separation chamber positioned over a slower moving foraminous medium to effect cross-flow separation of liq... | 11/09/1993 |
| 5257419 | Abdominal support belt An abdominal support belt of the type which includes an elongated flat waist band adapted to encircle the waist of a user and one or more supplemental elastic (resilient) strap or straps having unattached ends adapted to be grasped and drawn toward the an... | 11/02/1993 |
| 5256288 | Filtration medium including substrate-supported porous membrane and method for the manufacture thereof A filtration medium especially useful in cross-flow type filtration systems comprising a length of porous strong substrate, preferably woven, and a thin porous membrane, such membrane being bonded to the strands of the substrate by islands of resin unifor... | 10/26/1993 |
| 5252003 | Attenuation of arsenic leaching from particulate material The specification discloses a method for the treatment of particulate materials such as soils and sludges containing arsenic compounds which comprises contacting the material with a source of iron (III) ions and a source of magnesium (II) ions to stabiliz... | 10/12/1993 |
| 5250348 | Improved wrapper paper for use in very low contact pressure applications A wrapper paper for pressure sensitive products bearing on one of its flat surfaces a layer of polyethylene and on the opposite of its flat surfaces a layer of a primer selected from the polyalkyleneimine class, at least portions of the opposite flat coat... | 10/05/1993 |
| 5249138 | Analog signal preprocessor The specification describes a system for analyzing and processing an input analog signal. This invention provides an analog signal preprocessor which is operated in conjunction with a main instrument for measuring any defects or wear of machinery parts. T... | 09/28/1993 |
| 5244482 | Post-treatment of nonwoven webs A method for post-treating a precursor nonwoven web including consolidating the web laterally and thereby reducing the maximum pore size measure of the web. The resultant nonwoven web is also disclosed as is utilization of the product web as a filter.... | 09/14/1993 |
| 5241699 | Electronic surveillance device detector and method using phase angle differences between two received signals The disclosed invention detects electronic surveillance devices. Should an electronic surveillance device (a bug) be present in a room, the bug will be detecting sounds with a microphone and transmitting on some electromagnetic frequency. In the present i... | 08/31/1993 |
| 5240985 | Additive for increasing the surface energy of molding and extrusion grade polyethylene A method is disclosed for increasing the surface energy of a surface of an organic polymeric material, particularly polyolefins. The method is comprised of blending from about 99.5% to about 90.0% by weight of the polymeric material with from about 0.5% t... | 08/31/1993 |
| 5235795 | System for the delivery, storage and disposal of medical supplies A system for the delivery, storage and disposal of medical supplies including a lidded receptacle for receiving the supplies and facilitating their delivery to a use site, such lidded container subsequently being employed in the collection and ultimate di... | 08/17/1993 |
| 5233877 | Starter drive gear The specification discloses a starter drive for starting engines. In one embodiment, a drive gear having a recess on a side thereof transfers motion from a starting motor to a sprag and a rim located in the recess. The rim is integrally formed with an idl... | 08/10/1993 |
| 5217573 | Removal of laser printer and xerographic ink from recycle paper A method for removing laser printer and xerographic toner, ink or the like from paper to be recycled comprising pulping the paper to be recycled with water to produce a paper pulp slurry with a consistency of between about 1% and 20%, adjusting the pH of ... | 06/08/1993 |
| 5211815 | Forming fabric for use in producing a high bulk paper web There is disclosed a novel woven multiplex forming fabric defining pockets in one surface thereof into which cellulosic fibers in an aqueous medium are flowed under conditions of flow and rate of water removal that establish high shear fluid flow and resu... | 05/18/1993 |
| 5209540 | Foldable carrier system for transport of frangible sheet material A system embodied within an over-the-road trailer or other carrier for use when transporting frangible sheet material, such as sheets of glass, utilizes a frame, a side section hingedly connected to the frame and a frame structure attached to the side sec... | 05/11/1993 |
| 5203206 | Apparatus and methods for testing tension-elongation or cross-sectional properties of single fibers and multiple fiber bundles An apparatus for testing fibers includes a single fiber preparation and separation device for separating fibers from a sample of multiple fibers and producing an output of single fibers. A fiber transport means, preferably an air conduit, receives the sin... | 04/20/1993 |
| 5204632 | Apparatus and method for detecting leaks in surgical and examination gloves An apparatus and method for detecting leaks in rubber or plastic articles such as surgical or examination gloves that, in general, are insulators against an electric current. The apparatus comprises a power source, first and second electrical leads, and s... | 04/20/1993 |
| 5201559 | King pin release tool A tool for use when releasing the kin pin from a fifth wheel coupling mechanism used for coupling a trailer to a tractor vehicle by pulling upon a handle so that the handle moves in a linear direction from a lock position to a release position includes a ... | 04/13/1993 |
| 5194910 | Use of optical spectrometry to evaluate the condition of used motor oil Methods and apparatus employing optical spectrometry techniques to measure metallic wear debris contamination in used motor oil, even in the presence of carbon particulates. Measurement results based on optical spectrometry as disclosed herein correlate c... | 03/16/1993 |
| 5189801 | Speed guide A guide facilitating the movement of a carpentry tool, such as a tape rule or hand-held power saw, across an article includes a U-shaped portion which may be compressed with the fingers about an edge section of the tool and a fence portion joined to the a... | 03/02/1993 |
| 5190816 | Polyolefin adhesive tape An adhesive tape is disclosed. The adhesive tape comprises a high surface energy polyolefin film in combination with a water-dispersed adhesive. The polyolefin is prepared by blending from about 99.5% to about 90.0% by weight of a polymeric material with ... | 03/02/1993 |