...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 |
| 4784095 | Rocker arm adjusting nut An improved rocker arm adjusting nut characterized by an upper collar, a lower flange and an axially elongated body with a substantially cylindrical central section that is provided with knurling, or grooves in the axial direction. The upper collar and kn... | 11/15/1988 |
| 4780927 | Method and apparatus for removing and collecting dust A portable device for removing and collecting dust, particularly from vehicle friction brake and clutch assemblies, comprises a base having a high efficiency filter and vacuum assembly, a transparent evacuation hood designed to surround the brake or clutc... | 11/01/1988 |
| 4777109 | RF plasma treated photosensitive lithographic printing plates A metal base lithographic printing plate cleaned and treated by RF plasma to render the non-exposed area hydrophilic, then coated with either a negative working or positive working photosensitive coating. The method is characterized by its elimination of ... | 10/11/1988 |
| 4769969 | Apparatus for producing shipping forms The present invention provides an apparatus for producing a shipping form characterized by a folding mechanism, a cutting off mechanism, an aligning and feeding mechanism, a form inserting mechanism and a cutting mechanism.... | 09/13/1988 |
| 4769914 | Lettering device A lettering device having a writing arm (4) that is movable between a position of repose and a writing position and that receives a stylus that has a Bowden control (29) for moving the writing arm (4) between the position of repose and the writing positio... | 09/13/1988 |
| 4764045 | Writing instrument with reservoir having perpendicular fibers A writing instrument includes a writing fluid reservoir in the form of a fiber body, in which there is a coaxially extending writing fluid conductor with capillary conduits. The fibers of the reservoir extend at right angles to and radially with respect t... | 08/16/1988 |
| 4761090 | Tubular writing pen tip with adjustment means An improved tubular writing pen having a writing pen body (3) and a forepart (1) joined to it that holds in a forward direction a writing tube (5). The forepart (1) is revolvable, yet is installed axially non-dislocatably in the pen body (3) and in the la... | 08/02/1988 |
| 4753546 | Pressure balanced stylographic pen Improvements in stylographic technical writing pens, particularly through a venting channel design which provides for a pressure balancing, or equalization, between an ultimate ink reservoir pressure and the total pressure at the writing tip; as writing d... | 06/28/1988 |
| 4729685 | Writing instrument with press mechanism and magnetic catch In a writing instrument with a pressure mechanism for the movement of a writing element (4, 5, 6, 11, 12, 13) against spring pressure from a retracted position of rest into an advanced writing position, in which retention by means of a retention element (... | 03/08/1988 |
| 4722867 | Albumin-enhanced polysaccharide solution Hydrophilic coating of plastics, particularly an enhanced aqueous solution of a polysaccharide which flows uniformly over the surface of an anchor film applied to the plastic. The aqueous solution of a polysaccharide from the group consisting of hyaluroni... | 02/02/1988 |
| 4708518 | Method of adhering a prefabricated marking strip to a roadway surface without having to treat the roadway surface and self-adhesive sealing strip itself This invention concerns a process for making a roadway marking strip adhere to a roadway surface without the need for any preliminary preparation, using a flame that simultaneously contacts the self-adhesive primer coating of the roadway strip and the roa... | 11/24/1987 |
| 4693554 | Sensor magnifying glass apparatus An improved sensor magnifying glass apparatus having a magnifying glass element (1) held in a holder element (4) and comprising a cylindrical portion (2) with a superposed convex curved lens portion (3) that is rotationally symmetrical with the cylinder a... | 09/15/1987 |
| 4688826 | Folded shipping form This invention is concerned with a folded shipping form characterized in that a sheet form which is oblong, folded from the flap portion and narrower in width than that of a transparent film having a layer of pressure sensitive adhesive at the back surfac... | 08/25/1987 |
| 4681776 | Improved method for double floating transport and processing of wafers Method of transporting and processing of substrates. Particularly, transporting the substrate in a double floating mode within a confined passageway and selectively rotating the substrate within the passageway by applying pressurized fluid medium across t... | 07/21/1987 |
| 4681480 | Method for forming roadway-marking means whereby individual retroreflecting elements are gathered and grouped together A method is described whereby asymmetric retroreflecting elements are positioned with their hemispherical sides pointing upwards, made to agglomerate in rows and then deposited onto the road surface or onto a road-marking strip.... | 07/21/1987 |
| 4673232 | Push-in terminal system The present invention is for providing the terminal system, wherein, by employing a piece of metallic spring material, the portion which exclusively takes charge of mechanical connection and the portion which exclusively takes charge of electric contact a... | 06/16/1987 |
| 4669617 | Pen holder device In a pen holder device, a pen holder body (3) contained in a support body (2) is pivotable between an operational position, which is slightly inclined from the perpendicular, and a generally horizontal readiness position, wherein an acute angle exists bet... | 06/02/1987 |
| 4665107 | Pigment encapsulated latex aqueous colorant dispersions A process for modifying colorants which comprise an active ingredient of solid primary particles in the submicron range by an encapsulation with polymer starting materials that are not substantially altered during the process. Writing fluids, textile colo... | 05/12/1987 |
| 4662769 | Tubular writing pen tip with adjustment means In a tip of a tubular writing pen having a writing tube (2) secured in a forepart a (1) joined to a pen body and an axially movable fluid conductor (3) extending into the writing tube, of the type wherein the projecting length of a writing fluid conductor... | 05/05/1987 |
| 4663269 | Method of forming highly sensitive photoresist film in the absence of water Method of forming highly sensitive, high resolution positive photoresist compositions that are developed from polycarbonates derived from t-diols and various diphenols and homopolycarbonates from t-diols, mixed with 2-10% of onium salts wtih complex metal... | 05/05/1987 |
| 4663233 | Lens with hydrophilic coating Optical lenses, particularly spectacle, contact and intra-ocular lenses manufactured from glass or plastic. The lenses are provided with a hydrophilic coating which is immobilized upon the lens to provide permanent lubricity and uniform wetting characteri... | 05/05/1987 |
| 4663197 | Method and apparatus for coating a substrate This invention relates to method and apparatus of transporting and coating substrates within a confined longitudinal passageway. The method is characterized by the transport and coating of substrates without human or mechanical contact. The method include... | 05/05/1987 |
| 4662987 | Method of double floating transport and processing of wafers within a confined passageway Method of transporting and processing of substrates, including wafers of the type used for semiconductors. Particularly, a method of flowing fluid medium longitudinally within a confined passageway so that the substrate is supported, transported and proce... | 05/05/1987 |
| 4657820 | Plastic article containing a top coat comprising an albumin and polysaccharide mixture Hydrophilic coating of plastics, particularly an enhanced aqueous solution of a polysaccharide which flows uniformly over the surface of an anchor film applied to the plastic. The aqueous solution of a polysaccharide from the group consisting of hyaluroni... | 04/14/1987 |
| 4656235 | Siloxane-containing polyimide coatings for electronic devices Siloxane-containing polyimides, useful as conformal coatings for electrical devices, can be synthesized via a novel Diels-Alder reaction in which bis-maleimide derivatives are polymerized with siloxane-containing bis-furan derivatives. The Diels-Alder add... | 04/07/1987 |
| 4653716 | Synthetic resin holder A synthetic resin holder in which a pair of embracing arms having inner ends connected by a hinge and outer ends butted in an opening and closing manner are integrally connected by hinges on opposite ends of a circular spring plate having a support leg pr... | 03/31/1987 |
| 4654479 | Dot matrix method of entering and transmitting script Dot matrix method of entering and transmitting script. For example, Chinese script in the form of a character or ideograph is written upon a dot matrix "keyboard", then registered and stored within a conventional computer memory. As desired, the computer ... | 03/31/1987 |
| 4653804 | Portable table The present invention relates to a portable and foldable table to be used in open fields as an improvement of conventional portable tables by providing new devices to foldable auxiliary rods, shaft retainers, hinge and lock. With such provisions, the pres... | 03/31/1987 |
| 4646711 | Portable cooking grill A portable cooking grill of the type used for outdoor barbecue cooking, hiker's campfire cooking and the like. The grill consists of a pair of upstanding end supports, left and right upright end plates secured to the end supports to define a cooking enclo... | 03/03/1987 |
| 4642022 | Chain turbine system A chain turbine system of the type including pairs of chains supporting a plurality of pivoted deflection buckets. The pairs of chains are suspended across a moving stream, so that a lower portion of the chains and the deflection buckets travel through th... | 02/10/1987 |
| 4624068 | Spearpoint assembly An improved spearpoint of the type characterized by a smoothly extending single transverse barb, at its proximate end, and a circular taper to a point, at its distal end, and a spearshaft adaptor that will not jam within the spearpoint. A selectively conn... | 11/25/1986 |
| 4622918 | Module for high vacuum processing Module for processing advancing substrates including an elongated housing enclosing pairs of superposed transporters defining a longitudinal passage; a source of pressurized gaseous transport medium communicating with the longitudinal passage, so as to pr... | 11/18/1986 |
| 4620997 | Method for coating substrates Improved installation (10), whereby in a first section (22) coating (24) is applied on substrate (14), moving through a passage (16) under double floating condition, in a following section (26) a layer fluid (28) is applied on said layer coating (24) and ... | 11/04/1986 |
| 4608918 | Apparatus for manufacturing sealed sandwich style buns The present invention is directed to an apparatus, for manufacturing sealed sandwich style buns, which can cut off crusts on outer peripheries of each two sliced breads containing jam, cheese, meat, vegetable or the like therebetween at one operation and ... | 09/02/1986 |
| 4602320 | Adjustable safety lamp for vehicle windows Adjustable safety lamps for mounting upon a vehicle window, for example, the rear window of an automobile. Particularly, a "high set" brake lamp, including a frame together with adhesive means for securing the frame upon an automobile rear window; an oute... | 07/22/1986 |
| 4600471 | Method and apparatus for transport and processing of substrate with developing agent Method of transporting and processing substrates with developing agent within a confined passage. Pressurized fluid medium is supplied and discharged on both sides of the substrate via sequentially located fluid medium supply and discharge channels inters... | 07/15/1986 |
| 4599679 | Fuse bus bar assembly Fuse panel or bus bar assemblies for supporting a plurality of fuses within an automotive electrical system. The bus bar assembly is characterized by its rugged simplicity, enabling the simultaneous support of as many as 20 fuses. A non-conductive housing... | 07/08/1986 |
| 4597197 | Personalized boot pullstrap Boots, particularly cowboy boots, having a looped pullstrap. A reinforced and welted pullstrap is personalized by the attachment of a pullstrap plate to the pullstrap exterior, such that a name panel insert may be inscribed with the wearer's name and affi... | 07/01/1986 |
| 4596189 | Lithographic printing plate An improved lithographic printing plate which comprises (a) a substrate with (b) a substantially planar porous metal coating on at least one surface of the substrate and (c) a light-sensitive coating on the porous metal coating on the substrate. The subst... | 06/24/1986 |
| 4594129 | Installation for floating transport and processing of substrates Improved process installation (10) for double floating transport and processing of substrates (30), consisting of successive transporters (18) with process slots (28) positioned in between and tape (80) as transporting means for said substrates (30) and w... | 06/10/1986 |