...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 |
| 5174814 | Retractable marker pen and inks therefor Retractable marker pens and ink formulations for marker pens. The ink formulation has particular utility as a fluorescent ink for highlighting text or print. The formulation reduces the rate of ink evaporation from conventional felt, fiber or plastic mark... | 12/29/1992 |
| 5120176 | Fabrication of bound documents A bound document is made by placing one or more sheets of paper to be bound inside a binder having a hot-melt adhesive and then exposing the binder to microwave energy for a sufficient period of time to cause the hot-melt adhesive to melt bond onto an edg... | 06/09/1992 |
| 5076480 | Variable pitch feed of fasteners Variable pitch feed of fasteners by a unitary, single toothed feed pawl. In a first embodiment, back-up of the fasteners is prevented using a downwardly pointed detent tooth which bits into a secondary runner bar of the fastener assemblage, preferably at ... | 12/31/1991 |
| 5074452 | Variable pitch feed of fasteners A tag attaching gun in which an ejector rod is advanced by a trigger operated lever to sever an individual fastener from a fastener assemblage and dispense the severed fastener through a hollow slotted needle. This apparatus incorporates a unitary, single... | 12/24/1991 |
| 5054417 | Sheet binding apparatus and binders for use therewith Apparatus for binding a plurality of sheets of paper or other media, including an assembly for clamping a plurality of sheets together with binding edges of respective sheets in alignment, and an assembly for coating the binding edges of the sheets with a... | 10/08/1991 |
| 5042558 | Fastener dispensing needle and method of making A fastener dispensing needle is manufactured by a machining process which includes bending a metal tube to assist in obtaining an important configuration for the tip of the needle. A flared portion of the needle tip determines the diameter of the hole mad... | 08/27/1991 |
| 5039268 | Sheet binding apparatus and binders for use therewith Apparatus for binding a plurality of sheets of paper or other media, including an assembly for clamping a plurality of sheets together with binding edges of respective sheets in alignment, and an assembly for coating the binding edges of the sheets with a... | 08/13/1991 |
| 5037702 | Erasably, markable articles and methods of making such articles An erasably markable article formed of a coated substrate that is markable with dry wipe inks without causing permanent discernible distortion of the substrate. The surface after marking is substantially fully erasable. The surface is provided by a smooth... | 08/06/1991 |
| 5033664 | Dispensing of attachment members An improved system for attaching price tags to garments and other joining applications, in which individual fasteners are severed from fastener stock having a continuous, elongated plastic side member joined to a plurality of space-apart filaments. The fa... | 07/23/1991 |
| 5033899 | Index media for loose-leaf notebooks and wirebound notebooks Low cost index media for use with loose-leaf binders and wirebound notebooks. An index tab includes a base portion having a plurality of apertures engagable by rings of a ring binder, and an index portion which projects beyond documents within the noteboo... | 07/23/1991 |
| 5028159 | Looseleaf binder An economical lightweight looseleaf binder combines the functionality of a standard ring binder with easy-to-use characteristics of report covers. The cover is folded to define front and back panels as well as a spine portion, and additionally includes a ... | 07/02/1991 |
| 5027136 | Method and apparatus for charged particle generation Method and apparatus for charged particle generation, particularly for use in electrographic imaging, in which a drive electrode and an isolation electrode are substantially in contact with opposite sides of a solid dielectric member, and a discharge elec... | 06/25/1991 |
| 5024898 | Erasably markable articles and methods of making such articles An erasably markable luminescent article formed of a coated substrate that is markable with dry wipe inks without causing permanent discernible distortion of the substrate. The surface after marking is substantially fully erasable. The surface is provided... | 06/18/1991 |
| 5024365 | Apparatus for dispensing fasteners An improved system for dispensing a fastener through a slotted hollow needle from a continuously connected fastener stock, such apparatus incorporating an actuator slide with a central channel, such actuator slide being secured to the ejector rod and fast... | 06/18/1991 |
| 5012711 | High speed cutting and stacking apparatus Apparatus for collecting tickets cut from ticket stock, and for stacking these tickets in a horizontal array. Tickets are collected and oriented to stacking position by a vacuum transport belt assembly and uniformly aligned by a horizontal stacker. The tr... | 05/07/1991 |
| 4998661 | Needle assembly for fastener dispensing apparatus A needle assembly for dispensing plastic fasteners as part of a tool having a feed track through which a fastener assemblage is fed, such needle assembly including the needle which is encased in a holder which may be easily secured to and removed from suc... | 03/12/1991 |
| 4981386 | Notebook with internal easel stand A notebook having an internal easel stand. The notebook can be a looseleaf notebook. The notebook can be converted to an easel stand holding the sheets of paper in an upright position. The notebook has a flat easel panel attached to a portion of the insid... | 01/01/1991 |
| 4979626 | Convertible hanging file folder (1) A file folder capable of being suspended from a hanging storage rack, having first and second straight shank ordinary fasteners for mounting first and second hanger members upon the file folder and whereby terminal portions of the hanger members are selec... | 12/25/1990 |
| 4961666 | Binding tabs A tab for adhesively securing and binding articles within looseleaf binders and like devices, where such articles cannot be conveniently provided with apparatus for engagement by the binder rings. The tab includes a central, apertured portion advantageous... | 10/09/1990 |
| 4959516 | Susceptor coating for localized microwave radiation heating A medium formed by a mixture of polymeric binder with conductive metal and either semiconductive particles or galvanic couple alloy particles that can be coated or printed on a substrate to convert electromagnetic radiation to heat without arcing and prod... | 09/25/1990 |
| 4958173 | Toner receptive coating The invention comprises a toner receptive coating for substrates, typically paper, label or tag stock, for use in conventional printers such as ion deposition printers and photostatic copiers. The coating on paper or polymeric film improves the print dens... | 09/18/1990 |
| 4955475 | Continuous fastener stock Improved continuously connected plastic fastener stock for attaching price tags to garments and other joining applications. The fastener stock includes two side members connected by a series of filaments, one of the side members comprising a series of sev... | 09/11/1990 |
| 4943446 | Metallization of substrates A method of metallizing a substrate by applying a metallic film to the substrate and measuring the film at a plurality of different lateral positions of the substrate by inducing an eddy current in the film and detecting the magnitude of the film to provi... | 07/24/1990 |
| 4941654 | Method and apparatus for stacking apertured sheets without jamming An elongated arch forming member or bar supported upon a horizontal stacking station base by a movable support for permitting the stack to be lowered as the weight of the of sheets over the arch forming member increases. The arch forming member supports t... | 07/17/1990 |
| 4942410 | Toner receptive coating The invention comprises a toner receptive coating for substrates, typically paper, for use in conventional printers such as ion deposition printers and photostatic copiers. The coating on paper or polymeric film improves the print density and durability o... | 07/17/1990 |
| 4935335 | Multiple imaging A method and article providing different images from differing viewing angles. The image side of a lenticular sheet is printed with radiation curable inks and cured using a collimated radiation source located at a viewer position with respect to the lenti... | 06/19/1990 |
| 4935300 | Heat transferable laminate An improved release system for heat transferable laminates wherein a transferable substrate which contains a design layer is transferred from a carrier web onto an article such as a plastic bottle or container upon application of heat and pressure. The ca... | 06/19/1990 |
| 4928995 | Bindable cover folders Cover folders for permanently binding a stack of paper sheets without the use of fasteners. The cover folder has a binder spline which contains a quick drying adhesive which is protected by a removable protective film. The film is removed just prior to us... | 05/29/1990 |
| 4927709 | Heat transferable laminate An improved release system for heat transferable laminates wherein a transferable substrate which contains a design layer is transferred from a carrier web onto an article such as a plastic bottle or container upon application of heat and pressure. The ca... | 05/22/1990 |
| 4920039 | Multiple imaging A method and article providing different images from differing viewing angles. The image side of a lenticular sheet is printed with radiation sensitive image layer and cured using a collimated radiation source located at a viewer position with respect to ... | 04/24/1990 |
| 4919557 | Looseleaf binder with sliding lock mechanism A locking loose-leaf binder mechanism which has a curved housing retaining two hookplates, to which binder rings are attached. A control slide attached to each end of the housing includes one or two cam surfaces to engage the hookplates. In an embodiment ... | 04/24/1990 |
| 4918468 | Method and apparatus for charged particle generation Method and apparatus for charged particle generation, particularly for use in electrographic imaging, in which charged particles are generated in a discharge region and extracted to form an electrostatic image, wherein a controlled gas is introduced into ... | 04/17/1990 |
| 4913858 | Method of embossing a coated sheet with a diffraction or holographic pattern A method for decoration of paper of plastic sheeting and other substrates, involving a novel technique for coating and embossing the substrate. The paper or plastic sheeting is supplied with a coating of thermosensitive material, as by extrusion. The coat... | 04/03/1990 |
| 4902546 | Transfer metallization laminate Method and apparatus for the metallization of support members, such as paper sheeting and other cellulosic products. A metallic film is transferred to the paper support from a cellulosic carrier and adhered to the paper by a thermoplastic material. The ce... | 02/20/1990 |
| 4901854 | Loop connected attachments A loop attachment in which each attachment has a plurality of filaments, joined in a loop by a seamless connector. Each attachment is insertable through at least one object and has an elongated filament that extends from a flattened object-penetrating par... | 02/20/1990 |
| 4902194 | Collecting and stacking apparatus Apparatus for collecting tickets cut from ticket stock, and for stacking these tickets in a horizontal array. Tickets are collected and oriented to stacking position by a vacuum transport belt assembly, and uniformly aligned by a horizontal stacker. The t... | 02/20/1990 |
| 4902364 | Heat transfer decorations with patterned metallization A metallized laminate and process of manufacture wherein a metallic layer or underlying ink layer appears in a pattern on the laminate. The method in a specific embodiment involves the steps of forming a laminate by coating a heat stable release coat onto... | 02/20/1990 |
| 4898405 | Bindable cover folders Cover folders for permanently binding a stack of paper sheets without the use of fasteners. The cover folder has a binder spline which contains a quick drying adhesive which is protected by a removable protective film. The film is removed just prior to us... | 02/06/1990 |
| 4896001 | Anti-electric protection A method and apparatus for protecting an object against adverse electric effects which comprises: applying a continuous multiplicity of layers of a light weight protective continuous wrapper which is metallized on opposite sides and wider than the object,... | 01/23/1990 |
| 4894687 | Pressure transfixing of toner images using skewed rollers Electrostatic transfer imaging in which a latent electrostatic image is formed on a dielectric image roller, toned, and transferred to an image receptor medium. The dielectric roller contacts a transfer roller, and receptor sheets are fed between the two ... | 01/16/1990 |