Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 5795839 | Catalyst components for polymerization of olefins A process for the polymerization of olefinic hydrocarbons is carried out in the presence of a catalyst comprising a catalyst component derived from reacting a compound of the formula Me1 R1n X14-n, a ... | 08/18/1998 |
| 5633930 | Common cryptographic key verification in a transaction network A stored value transaction system has a plurality of value storing transfer devices, including at least one local device, collection device, consolidation device and settlement device. First and second transfer devices are provided for performing a value ... | 05/27/1997 |
| 5537915 | Foodstuff dispensing machine A foodstuff vending machine has a vending housing includes a processing container for containing and processing of a foodstuff. A receiving basket is provided for receiving the foodstuff from the processing container. A dispensing mechanism is provided fo... | 07/23/1996 |
| 5538226 | Pushing machine moveable on rail for operating into the slag hole of steel smelting electric furnaces A pushing machine is described, which is capable of running to opposite directions, upon remote control, along a length of rail provided in front of the mouth or slag hole of an electric furnace (10) for the smelting of iron products. It shows, at the end... | 07/23/1996 |
| 5539403 | D/A conversion apparatus and A/D conversion apparatus It purposes to provide a D/A conversion apparatus of a high accuracy oversampling method by noise shaping which is not needed a high frequency clock or accurate working, and a high accuracy A/D conversion apparatus having a configuration to which said D/A... | 07/23/1996 |
| 5538456 | Toy water bomb A water toy has the shape of an aerial bomb or rocket with generally bulbous, resiliently flexible body and a removable tail member with fins, The water toy includes a resilient shell having a mouth and an internal pointed member facing the mouth. A ballo... | 07/23/1996 |
| 5539525 | Image printing method and non-impact printer wherein a received video signal has a higher resolution than the printer printing head A method for printing an image including the step of generating a basic line timing signal and an additional line timing signal providing timings between respective timings of the basic line timing signal, producing a matrix by a video signal of a number ... | 07/23/1996 |
| 5536790 | Process for polymer reaction with functionalized peroxides Novel functionalized peroxides which may be used as crosslinking, grafting and curing agents, initiators for polymerization reactions and as monomers for condensation polymerizations to form peroxy-containing polymers, which in turn can be used to prepare... | 07/16/1996 |
| 5536318 | Apparatus for coating molds with finning preventive agent A method of application of finning preventive agent in an apparatus for casting anodes for electrolyzing copper by pouring molten copper into the molds, in which the inner planes of the molds can be coated with the finning preventive agent in a reliable a... | 07/16/1996 |
| 5536191 | Life-saving assistance drive The invention herein provides a kind of life-saving assistance device that includes an electroluminescent component that constitutes an illumination emission source mounted on string netting enshrouded on an inflatable balloon, wherein the aforesaid infla... | 07/16/1996 |
| 5536244 | Endoscopic instrument with improved closure window An endoscopic instrument includes an elongate shaft with an optical system arranged therein. The shaft is closed off at least its distal end by a window which is firmly and tightly connected to the shaft. The closure window is constructed of spinel or ytt... | 07/16/1996 |
| 5533874 | Stand for a pump A pump stand (1) has a base plate (2) for mounting thereon a pump (3) and at least one of a control unit (6) and a vacuum controller (7). The pump stand (1) has for this purpose a plurality of push-in or snap-in connections (5) enabling pump components or... | 07/09/1996 |
| 5533800 | Procedure and apparatus for detecting viscosity change of a medium agitated by a magnetic stirrer A magnetic stirrer (1) with a magnet (3) driven in a rotating fashion by an electric motor (2) for the activation of a stirring bar magnet (7) inside a container (5) filled with a medium (6) has a digitally operated regulator (8), implemented with softwar... | 07/09/1996 |
| 5535353 | Address generating circuit for data compression An address generating circuit for data compression includes an X-address generating circuit (10), a Y-address generating circuit (20), an XY-address generation control circuit (30) and a defect analyzing memory (40). Each of the circuits (10) and (20) inc... | 07/09/1996 |
| 5534761 | Mechanism for movements of prefixed path, referable as of elliptical shape A mechanism for movement of an object along a prefixed path, substantially of elliptical shape, including a support base provided with a single motor and at least two arms linked to each other at one end, with the free end of the outer arm carrying a supp... | 07/09/1996 |
| 5534596 | Process for polymerization reactions with functionalized peroxides Novel functionalized peroxides which may be used as crosslinking, grafting and curing agents, initiators for polymerization reactions and as monomers for condensation polymerizations to form peroxy-containing polymers, which in turn can be used to prepare... | 07/09/1996 |
| 5534324 | Magnetic recording medium and method for producing the same A magnetic recording medium has a cobalt-based first magnetic layer and a cobalt-based second magnetic layer which are formed on a substrate of high polymer by vacuum evaporation. In order to have a high reproducing output and a high S/N ratio, the first ... | 07/09/1996 |
| 5534228 | Connector system for connecting liquid containers A connector system for the connection of liquid reservoirs or containers is configured in such a way that a predetermined connection sequence must be followed. For this purpose, the system has two connecting pieces (1, 2) each of which is provided with tw... | 07/09/1996 |
| 5534218 | Process for the production of a hollow body of thermoplastic material In a process for the production of a hollow body of thermoplastic material which is to include an additional portion, by expansion of a preform in a blow molding mold, the additional portion is connected to the hollow body upon expansion of the preform to... | 07/09/1996 |
| 5534053 | Composition for reducing or eliminating static charge in adhesive film Antistatically modified fixturing cements useful in the polishing of silicon wafers are disclosed. The fixturing adhesives disclosed generally comprise: (a) a solvent carrier having a boiling point no greater than 200° F. under a vacuum of 25 inches of m... | 07/09/1996 |
| 5532076 | Hydrogen storage alloy and electrode therefrom A hydrogen storage alloy preferably used for electrodes in alkaline rechargeable battery is of the general formula: Zr1.2-a Tia Mnv Alw Nix My Crz wherein M represents at least o... | 07/02/1996 |
| 5530979 | Mattress coverings A mattress covering in the form of a fitted mattress pad or fitted sheet has a top portion, an inelastic side skirt extending perpendicularly from the top portion, an elastic underskirt extending from the side skirt and a separate elastic strand attached ... | 07/02/1996 |
| 5530032 | Method for the production of integral skin foam A method for the production of integral skin foam is provided. An inert, non-flammable gas is added together with a low quantity of hydrocarbon fluid to a liquid skeleton substance. Only the inert, non-flammable gas serves during energy supply for foaming... | 06/25/1996 |
| 5530937 | Gas laser apparatus A current detector (130) is connected between the negative output terminal (-) of a high voltage DC power source (9) and the ground; the current detector (130) comprises a core (12) which is electrostatically shielded by a grounded conductive cover (15), ... | 06/25/1996 |
| 5527638 | Hydrogen storage alloy electrode and sealed-type nickel-metal hydride storage battery using the same A hydrogen storage alloy electrode comprising, an electrically conductive support made of a punched or perforated metal sheet, a mixture supported on said conductive support and a water-repellent agent for giving a water-repellent property on the surface ... | 06/18/1996 |
| 5527263 | Stereo endoscope A stereo endoscope has a shaft containing two optical systems which extend through the shaft and are arranged in close proximity to each other and a housing on the proximal end of the shaft for containing an interior holding assembly for a stereo optical ... | 06/18/1996 |
| 5527177 | Tip heater for a runnerless injection molding probe This invention relates to a tip heater for a runner-less injection molding heating probe and to methods for constructing and repairing the same. The tip heater comprises a generally conical shaped tip, a heating wire, insulating material, and a cap. The t... | 06/18/1996 |
| 5524905 | Sealing assembly with T-shaped seal ring and anti-extrusion rings A sealing assembly for sealing a clearance space between first and second members wherein the first member has a groove therein and the second member has a surface overlying the groove. The groove is defined by a base surface and two side surfaces. The fi... | 06/11/1996 |
| 5526224 | Ion-conductive polymer electrolyte and electrolytic capacitor using the same A stable ion-conductive polymer electrolyte having a sufficiently high ionic conductivity, which will not be decreased during a long-term storing at a high temperature, and being free from any physical change such as crack, contraction and dissolution, is... | 06/11/1996 |
| 5522552 | Water play toy A water play toy includes a base and a platform pivotally secured over the base so as to be stepped on and pivoted. Several pairs of valves and nozzles are provided around the outer periphery of the toy between the platform and base with each valve positi... | 06/04/1996 |
| 5522310 | Apparatus for heating and dispensing food A completely automatic, fully self-contained vending machine of standard size which may be operated so that a packaged (boxed) dough-based food product such as a pizza can be withdrawn from a freezer for storing the food product, and delivered to a microw... | 06/04/1996 |
| 5523352 | Polyacetal compositions and method of improving wear resistance and reducing friction thereof Self-lubricating compositions with improved friction, wear and melt flow properties are provided as well as a method of improving the friction, wear and melt flow properties of a polyoxyalkylene base resin. The composition includes a mixture of a polyoxya... | 06/04/1996 |
| 5522901 | Implant for replacing a rear patella part An implant to replace a rear patella part is provided, which comprises a prosthesis part imitating the patella part and a metal attachment part fixed in the prosthesis part, with which the implant can be attached in the natural patella part. In order to p... | 06/04/1996 |
| 5524073 | Secure transaction system and method utilized therein A transaction system is disclosed wherein, when a transaction, document or thing needs to be authenticated, information associated with one or more of the parties involved is coded together to produce a joint code. This joint code is then utilized to code... | 06/04/1996 |
| 5522110 | Cleaning apparatus A cleaning apparatus comprising a handle and a base member having a first surface and a second surface. The handle is coupled to the first surface and a brush portion is attached to the second surface. The cleaning apparatus further includes an absorbent ... | 06/04/1996 |
| 5520207 | Remotely monitored tamper bar for a backflow preventer A remotely monitored tamper bar apparatus for monitoring two shut-off valve handles of a water supply backflow preventer includes an elongate U-shaped member having a base and two side legs. The base and two side legs form a channel for receiving the hand... | 05/28/1996 |
| 5520621 | Water-permeable casting or splinting device and method of making same Unitary casting devices are provided for making casts and splints. In one embodiment, the device includes a padding layer for contact with the patient, a non-hydrophilic, water-permeable inner protective layer juxtaposed against the padding layer, a casti... | 05/28/1996 |
| 5521482 | Method and apparatus for determining mechanical performance of polyphase electrical motor systems A method for determining electrical and mechanical performance of a polyphase electric motor system comprises sensing the instantaneous current signal and the instantaneous voltage signal as a function of time for at least one electrical phase of the moto... | 05/28/1996 |
| 5518931 | Process for determining the concentration of a gas in a molten metal A process is provided for determining the concentration of a gas in a molten metal by a carrier gas, which can be pumped to at least one analyzer, either in direct route for calibration, or for measuring through a measuring circuit with a measuring probe ... | 05/21/1996 |
| 5519300 | Method and apparatus for analysis of polyphase electrical motor systems A method for determining at least one operating parameter to determine the operating condition of a polyphase electric motor system comprises sensing the instantaneous current signal and the instantaneous voltage signal as a function of time for more than... | 05/21/1996 |
