...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 |
| 6632774 | Composition and method of enhancing moisture content of trees and plants Composition and method for enhancing the moisture content of growing and cut trees and plants, including the steps of providing a polyacrylimide polymer in crystalline form, mixing salt with the polymer wherein the salt comprises about 5% by weight relati... | 10/14/2003 |
| 6364979 | Carpet seam repair tool A carpet seam repair tool, and a method, for repairing a seam in installed carpet wherein a first carpet portion is separated from a second carpet portion along a seam rift and the seam overlies an adhesive tape. The repair tool includes a pair of legs jo... | 04/02/2002 |
| 6363588 | Bag clamp A clamp for closing a polymer bag, including a pair of opposed clamp members wherein said clamp members are movable between a closed and an opened condition, each one of said pair of clamp members having a long axis and an inner and an outer surface. A hi... | 04/02/2002 |
| 6304684 | Information processing system and method of using same An information processing system includes an unattended low-resolution wide area pre scanning station and an unattended high-resolution line scanning station. The low-resolution station automatically identifies active image areas and borders on a pluralit... | 10/16/2001 |
| 6301398 | Apparatus and method of processing microfiche images Apparatus and method of processing microfiche images. The apparatus includes an unattended low-resolution wide area pre scanning station and an unattended high-resolution line scanning station. The low-resolution station automatically identifies active im... | 10/09/2001 |
| 6174498 | Odor control system An odor control system and method for removing unwanted odorous airborne constituents in which the gas stream is flowed through a compact, boxlike housing having a plurality of sequentially communicating treatment chambers. Gas stream pretreatment is acco... | 01/16/2001 |
| 6168295 | Light fixture having a plurality of light reflecting fins A light fixture having a base for housing a light producing source and a flat plate disposed within the base. The plate has a well formed in it, the well having light reflecting walls. A lamp socket is located in a light reflecting bottom wall of the well... | 01/02/2001 |
| 6131331 | Composition and method of enhancing moisture content of tree and plants Composition and method for enhancing the moisture content of growing and cut trees and plants, including the steps of providing a polyacrylimide polymer in crystalline form, mixing salt with the polymer wherein the salt comprises about 5% by weight relati... | 10/17/2000 |
| 6105217 | Bag clamp A clamp for closing polymer bags. The clamp includes a pair of clamp members movable between a closed and an opened condition, each one of the clamp members having a jaw for engagement of a bag. Each clamp member has an inner and an outer surface. A hinge... | 08/22/2000 |
| 6068222 | Iron retaining device with upstanding supports releasably attached to base members on a plate A device for retaining and restraining hot irons. The device includes a plate and a pair of spaced and opposed upstanding iron supports movably attached to the plate top surface. Each one of the supports includes a base and a pair of spaced leg members re... | 05/30/2000 |
| 6055933 | Apparatus for controlling feed delivery Apparatus for controlling automatically the delivery of feed, such as hay flakes, to a feeding receptacle. The apparatus includes an housing having an upper feed receiving portion and a lower feed delivering portion, the lower portion having an opening fo... | 05/02/2000 |
| 6044528 | Strap retainer A strap retainer including a base having an integrally formed post projecting therefrom, and a post receiving member, spaced from the base wherein the post receiving member has an opening formed therein for receipt of the post. A member connects the base ... | 04/04/2000 |
| 6019651 | Flotation device and method of using same A flotation device for rescue of individuals in distress in static or swift water or under icy conditions. A preferred embodiment includes a throwable disk having an annular groove wherein the disk is divisible into a pair of separate, positively buoyant ... | 02/01/2000 |
| 5996447 | Sink wrench A wrench for engaging a faucet mounting nut, the wrench including an elongated tubular pipe which has slots at one end. A nut engaging socket, having radially projecting studs, is adapted for reversible insertion into the pipe opening, with the socket stu... | 12/07/1999 |
| 5987693 | Grill cleaning device A device for cleaning cooking grill rails which includes an elongated blade for scraping movement along the rails, and a handle having an elongated portion connected to the blade. The blade is attached to the elongated handle portion for rotation thereabo... | 11/23/1999 |
| 5924869 | Devotional and learning devices Devotional and learning devices for displaying individual frames of scrolls containing scriptural passages, prayers and quotations from the teachings of saints, sages, mystics and divinities, which scrolls, when displayed, are illuminated with light of su... | 07/20/1999 |
| 5915637 | Pill crusher A pill crusher having an elongated base, an anvil integrally fixed to the base, a movable handle and a compression link, pivotally coupled to the base and pivotally connected to the handle, for facilitating rotational movement of the handle relative to th... | 06/29/1999 |
| 5876662 | Odor control system An odor control system for removing hydrogen sulfide from a gas stream. In a first chamber, the gas stream is initially treated with NaOH at low pH for removal of about 70% of the H2 S. Unreacted NaOH and the reaction product Na2 S f... | 03/02/1999 |
| 5856783 | Pump control system A pump control system which can distinguish between water and oil so that a pump can be controlled to pump water and deactivated before oil is pumped. Sensing is accomplished by a pair of capacitive sensors, one located above the other in a vessel in whic... | 01/05/1999 |
| 5832861 | Boat docking apparatus A boat mooring apparatus having an elongated tubular housing wherein the housing is adapted for positioning between a boat and a dock while providing positive control in two directions. Adjacent each end of the housing a pin is utilized to secure an elong... | 11/10/1998 |
| 5796783 | Digital transmission system A waveform generating system generates one or more quadrature amplitude modulated (QAM) spectrum pairs which are combined with a frequency modulated (FM) spectrum in the center. The QAM spectrums are offset in frequency to result in a gap in the center to... | 08/18/1998 |
| 5735014 | Grill cleaning device A grill cleaning device for removing unwanted residue from grill rail surfaces. The device includes an elongated handle. A rigid blade, for removing residue from the top surfaces of the rails, is mounted at one end of the handle. A deformable coiled wire,... | 04/07/1998 |
| 5694879 | Boat docking apparatus A mooring apparatus having an elongated tubular housing wherein the housing is adapted for positioning between a boat and a dock while providing positive control in two directions. A pin for fixing an elongated helical spring within the housing is dispose... | 12/09/1997 |
| 5678357 | Interactive inflatable toy An apparatus and method of attaching reversibly an inflatable three dimensional graphic to the exterior surface of an inflatable wall of an inflatable toy. The wall surface includes means for reversibly attaching the graphic in a leak tight manner while p... | 10/21/1997 |
| 5628350 | Inflating device A tire inflation device for delivering a fluid, such as carbon dioxide, from a liquid gas cartridge to a pneumatic tire wherein the device has a capability of controlling inflation to enable the user to achieve a preset desired tire pressure. A cartridge ... | 05/13/1997 |
| 5563585 | Water pump monitor A transparent housing for installation in a marine raw water line. The housing has an inlet chamber including a perforated plate disposed athwart the housing and comprising the downstream wall of the chamber. The plate permits water flow while acting to t... | 10/08/1996 |
| 5536223 | Exercise device An exercise device having a coupling assembly attaching a pair of elongated handles, is provided for reversible rotation thereabout. Each of the handles includes a tubular housing within which a torque adjustment apparatus is disposed. The coupling assemb... | 07/16/1996 |
| 5518696 | Emergency scrubbing system An emergency scrubbing system guides rapidly escaping noxious fluid under pressure along an irregularly shaped non-linear delay path of travel, and admits a treating substance to the fluid to provide a preliminary treatment therefor to help neutralize the... | 05/21/1996 |
| 5463378 | Proximity detection system and oscillator, and method of using same A proximity detection system includes a dual mode oscillator for generating a pair of ON and OFF control signals. A sensing circuit including a capacitance device detects the presence of a conductive object, such as a liquid, to cause the oscillator to sw... | 10/31/1995 |
| 5445581 | Exercise device An exercise device having a coupling assembly attaching a pair of symmetrical, elongated arms mounted at right angles to each other. A pair of elongated handles, each one of which is mounted on one of the elongated arms, is provided for reversible rotatio... | 08/29/1995 |
| 5417920 | Odor control method An odor control method includes an inlet section of a chamber for spraying waste gas with a suitable reactive chemical agent, for odor removal purposes. An electrostatic precipitator is mounted downstream of the inlet section, within the chamber, for remo... | 05/23/1995 |
| 5391220 | Pollution control system and method of using same A pollution control system and method in which hot flue gas is cooled to saturation in a quencher and passed through a condenser absorber assembly to further cool the saturated gases while growing small particles as the particles act as nuclei for the con... | 02/21/1995 |
| 5308589 | Odor control system An odor control system includes an inlet section of a chamber for spraying waste gas with a suitable reactive chemical agent, for odor removal purposes. An electrostatic precipitator is mounted downstream of the inlet section, within the chamber, for remo... | 05/03/1994 |
| 5287086 | Proximity detection system and oscillator A proximity detection system includes a dual mode oscillator for generating a pair of ON and OFF control signals. A sensing circuit including a capacitance device detects the presence of a conductive object, such as a liquid, to cause the oscillator to sw... | 02/15/1994 |
| 4863096 | Mailbox insert A mailbox insert includes a rigid plate adapted to be supported above the floor of the interior of the mailbox. The plate is composed of a rigid, corrugated material having a plurality of ridges and valleys. A plurality of legs depend from the underside o... | 09/05/1989 |
| 4849928 | Logic array programmer This logic array programmer which comprises a random access memory for storing a library of programmable array logic JEDEC files, including given device codes. The programmer also includes a permanent memory for storing a device code conversion table, for... | 07/18/1989 |
| 4844324 | Solder system and method of using same A solder system is adapted for use in soldering the terminals of a plurality of circuit boards, to corresponding leads of a plurality of cables. The solder system includes a holding fixture for supporting adjustably the circuit boards relative to the corr... | 07/04/1989 |