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 |
| 5191047 | Enamine ketone and enonesulfide polymer systems Enamine ketone and enonesulfide polymeric solids are prepared by reacting liquid or low-melting propynone terminated enamine ketone and enonesulfide prepolymers in one-step, or more preferably, in two-step processes. Properties of the resulting polymers a... | 03/02/1993 |
| 5188207 | Vending machine coin mechanism A coin mechanism for a vending machine comprises a cylinder rotatable in a passageway within a housing to release vended product to a purchaser. Operation of the mechanism requires insertion of purchase coins into coin slots accessible when the cylinder p... | 02/23/1993 |
| 5188387 | Ski binding incorporating both electronic and mechanical release systems A ski binding release mechanism that includes both an electronic and a mechanical release mechanism. The mechanical release mechanism incorporates a delay feature that allows it to function only if the electronic mechanism experiences a failure. The delay... | 02/23/1993 |
| 5185505 | Microwave iced tea maker An appliance for preparing freshly brewed iced tea with microwave energy comprising a generally funnel-shaped reservoir of molded plastic construction having an open upper end, closed lower end and an aperture near the closed lower end. The reservoir is d... | 02/09/1993 |
| 5181704 | Sample collator device with samples gathered on pins A carousel device for collating product samples includes pivoting arms provided with suction cups attached to the ends thereof that swing in a first direction toward adjacent bins until the cups contact and attach to samples stored in the bins. The arms t... | 01/26/1993 |
| 5171203 | Seat cover forming machine A device for fabricating toilet seat covers from paper sheeting comprises three paper shearing and folding assemblies positioned one over the other, each assembly including a drive roll, as well as two additional compression rolls which shear and fold the... | 12/15/1992 |
| 5170599 | Dome building structure A self supporting dome structure comprised of a plurality of rings connected one upon another, each of the rings approximating a conical frustum with successively higher rings having lower angles of inclination. Many of the rings are formed of a plurality... | 12/15/1992 |
| 5171238 | Absorbent pad with fibrous facing sheet An absorbent pad, such as a sanitary napkin, is provided having a fibrous facing sheet. The fibrous face is a fractional-denier fibrous nonwoven fabric which may or may not be laminated to a thermoplastic sheet, depending on its strength. The sheet is vac... | 12/15/1992 |
| 5163539 | Luggage roller An easily detachable and/or assembleable and/or longstandingly endurable luggage roller is provided. The roller includes a top plate mounting, or rotatably mounting, thereunder a hollow mounting medium having two dovetail-shaped wings having a lower width... | 11/17/1992 |
| 5161330 | Side adjustable door roller assembly A side adjustable roller assembly for a sliding door comprises a housing containing a rotatable cam and a wheel carriage with a guide wheel mounted therein pivotally attached to the housing. The assembly is insertable into a recess in the edge of a door, ... | 11/10/1992 |
| 5158317 | Ski brake assembly A ski brake assembly mountable on a ski for impeding movement of the ski down a slope when the ski is detached from a skier's boot, the ski having a longitudinal axis, a top surface and a bottom surface. A pedal is operably attached to a pivot shaft, and ... | 10/27/1992 |
| 5152939 | Composite densification with benzoxazines A method for forming carbon-carbon composites consists of impregnating structures with carbon-forming precursor compounds comprising multi-functional benzoxazine compounds. The impregnated structures are pyrolyzed to form carbonaceous char which serves to... | 10/06/1992 |
| 5150803 | Decanter and lid assembly for automatic drip coffee maker A lid assembly for attachment to a decanter for varying the overall height of the decanter comprising a mounting sleeve which is attachable to the open upper end of the decanter and a lid dimensioned to be attached to the mounting sleeve. The sleeve inclu... | 09/29/1992 |
| 5144937 | Archery bow arrow rest An archery bow arrow rest having a pivotal support arm biased to support an arrow on its free end. At right angles to its free end, the support arm has a fixed end positioned in, and attached to a bushing. The bushing passes through and is rotatable in a ... | 09/08/1992 |
| 5143397 | Ski binding A part for a ski binding comprising a carriage slidably attached to a base plate. One end of the base plate is fastened to the ski with fasteners, while its other end rests freely on the bottom of a U-shaped clamp, also fastened to the ski with fasteners.... | 09/01/1992 |
| 5141127 | Method and apparatus for identifying and indicating the content of document canisters Apparatus for identifying and indicating the content of document canisters such as those used to hold supplies of documents in Automated Teller Machines (ATMs), includes a canister (10) holding a stack of documents (30) and having a face plate (24). Face ... | 08/25/1992 |
| 5139191 | Method of connecting ceramic material to another material The present invention relates to a method of connecting a ceramic material to another material. According to the present method as ceramic material porous material is used that prior to making a connection it is gradually compacted from the contact surfac... | 08/18/1992 |
| 5133247 | Coffee maker An electric coffee maker comprised of a housing, having structure defining a carafe receiving position and support means disposed above the carafe receiving position. A filter/brew funnel dimensioned to be supported by the support means above the carafe r... | 07/28/1992 |
| 5133902 | Transesterification of triglycerides A process for converting liquid triglycerides into solid triglycerides by means of random transesterifications achieved through the use of catalytically active combinations comprising the reaction product of mixtures of dihydric and trihydric alcohols wit... | 07/28/1992 |
| 5131792 | Pneumatic tube system A pneumatic tube system comprising: a pair of terminals; an overhead cylindrical tube connecting the terminals; a captive carrier for passage through the tube, the carrier having an internal cavity for carrying articles and removable caps at the distal en... | 07/21/1992 |
| 5126085 | Process for preparing polyimide sheet molding compound A process for making polyimide sheet molding compounds which involves the preparation of a polyimide precursor solution of adjusted viscosity that includes a mixture of high and low boiling alcohols, and which also includes monomeric reactants including a... | 06/30/1992 |
| 5114987 | Foamed polymer blends A process for preparing foamed polymer blends of thermoplastic polymers with elastomeric polymers comprises mixing the elastomeric polymers with a chemical blowing agent and compounding additives. The mixture is then combined with a thermoplastic polymer ... | 05/19/1992 |
| 5114171 | Motion detector A micropower electronic motion detector including a sensing element and a source element for measuring the magnitude and direction of the relative motion of the sensing element with respect to the source element. Electronic apparatus for nulling the outpu... | 05/19/1992 |
| 5114200 | Gravity operated automatic hook An arresting device for gripping a cylindrical portion of an object having a hook member and a latch member which are operable to interact with each other to grip the object and hold it in a predetermined position. The device is operable to automatically ... | 05/19/1992 |
| 5112266 | Noise making device A noise making device for creating selective clapping sounds comprised of a pair of section halves of molded plastic construction, each section including a handle portion and an elongated flat blade portion extending therefrom together with locking elemen... | 05/12/1992 |
| 5111724 | Slitter knife arrangement A device for slitting a metallic foil which is continuously fed along a path comprising a support base having an elongated guide formed therein, the guide defining a generally linear guide path, and the support base being positionable adjacent the foil pa... | 05/12/1992 |
| 5108623 | Moving web filter assembly A system for filtering solid-containing plating waste comprises a reusable filter media belt that travels in a continuous loop between a filter tray, where filtration takes place, and a multi-compartmented cleaning tank where the belt is cleaned for reuse... | 04/28/1992 |
| 5106598 | Lamp reclamation process A process and system for disposing of fluorescent lamps and reclaiming components therefrom which includes the removal of the lamp ends and the washing of the lamp envelopes, or crushed lamp envelopes, with wash water to remove mercury and phosphors there... | 04/21/1992 |
| 5104846 | Molecular restructuring catalyst A catalyst for promoting the molecular restructuring of the components of hydrocarbons to form desired products. The catalyst comprises copper salts, copper acetate being particularly preferred, in combination with anhydrous aluminum chloride. The catalys... | 04/14/1992 |
| 5102453 | Aluminum dross recovery process A method for recovering reusable materials from aluminum dross is disclosed comprising crushing the dross and extracting solubles therefrom with water in a digester. The brine so obtained is processed in a crystallizer to obtain fluxing materials containe... | 04/07/1992 |
| 5100035 | Permeable MgO nozzle An immersion nozzle for containuous metal casting having an elongated nozzle body formed from a porous, gas permeable refractory material. The nozzle body has a conduit extending longitudinally therethrough and an inner surface which defines the conduit. ... | 03/31/1992 |
| 5098367 | Seat cover forming machine A device for fabricating toilet seat covers from paper sheeting comprises three paper shearing and folding assemblies positioned one over the other, each assembly including a drive roll, as well as two additional compression rolls which shear and fold the... | 03/24/1992 |
| 5099423 | Method and apparatus for account settlement in an ATM Apparatus for identifying and indicating the content of document canisters such as those used to hold supplies of documents in Automatic Teller Machines (ATMs), includes a canister (10) holding a stack of documents (30) and having a face plate (24). Face ... | 03/24/1992 |
| 5096865 | High density fused silica process and product A method of forming high density silica products, and the products formed therefrom, comprising the steps of: a) preparing a fused silica slip having a moisture content less than 25% by weight and fine silica particles of which about 90% are a size less than ... | 03/17/1992 |
| 5094616 | Dental appliance A dental appliance for use with an aspirator tube which forms part of a dental aspirating system, the system being used for periodically removing saliva/water from a patient's mouth by means of suction. The present improvement is a resilient foam sleeve t... | 03/10/1992 |
| 5095185 | Microwave coffee maker An apparatus for brewing coffee or the like with microwave energy comprising a generally funnel-shaped reservoir having an open upper end, a closed lower end and an aperture near the closed lower end. A removable cover is provided for closing the open upp... | 03/10/1992 |
| 5091836 | Electric light globe hub A globe hub for a casual electric light fixture comprising a cap and a globe holder connectable at a point of joinder by fasteners. Electrical wires extend into the interior of the hub through access openings located at the point of joinder, being connect... | 02/25/1992 |
| 5090590 | Access delay mechanism A limited access container that limits the rate at which articles can be withdrawn therefrom includes a retrieval rod which extends through the top cover of the container and which has an article-holding implement on the lower end thereof. After securing ... | 02/25/1992 |
| 5091821 | Protective cover for electrical assembly unit A detachable protective cover for an electrical terminal block comprising a pivot member top whose sides are pivotally attached by pins to support members connected to the terminal block with fasteners. The pivot member top overlays the block in the cover... | 02/25/1992 |
| 5087883 | Differential conductivity meter for fluids and products containing such meters A device for detecting relative differences in conductivity between filtered and unfiltered states of fluid comprises a differential comparator for measuring the voltage difference of its input ports, a differential bridge connected to the input sorts of ... | 02/11/1992 |
