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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 4575893 | Broom with fixing device for holding bundles of plastic branches A broom whose branches made of plastic material are fixed into a main sheath which holds the handle. Each bundle of branches is terminated at the base by a locking tip with a square cross-section. These tips lock into housings arranged inside the main she... | 03/18/1986 |
| 4575328 | Automatic continuously cycleable molding apparatus An automatic continuously cycleable molding system wherein a plurality of mold sets are transported in predetermined timed cycles through a series of work stations wherein the various molding, curing and workpiece handling operations are accomplished, and... | 03/11/1986 |
| 4574330 | Heat sink for dissipating heat generated by electronic displays An article for dissipating heat generated by an alphanumeric display which is mounted on an electronic circuit board. The article includes a heat sink which is coupled to the underside of the alphanumeric display. The heat sink has at least one transfer m... | 03/04/1986 |
| 4571921 | Expendable heater sealing process A process and apparatus for sealing electronic packages and lids involves placing a heater preform device between the sealing surfaces of the package and lid. If the package and lid are ceramic, the preform may be metallic having a glass coating fused the... | 02/25/1986 |
| 4567463 | Circuit for improving the performance of digital to analog converters In a digital to analog converter, a circuit for improving the performance of digital to analog converters by reducing and minimizing the variation in analog ground current is disclosed. The resulting digital to analog converter has reduced variation in ou... | 01/28/1986 |
| 4566008 | Fault detecting circuit and method for a vehicle detector system Apparatus and method for a circuit which is connected in series between the call signal output of a vehicle detector and the call signal input of a traffic controller is disclosed. Under normal operating conditions the invention acts as a signal buffer an... | 01/21/1986 |
| 4560381 | Disposable panty for menstrual wear The invention shows a protective, lightweight, disposable woman's hygienic panty for removeably carrying a feminine napkin during a woman's menstrual cycle or period. A relatively thin, lightweight, disposable, biodegradable, mesh-like outer panty shell i... | 12/24/1985 |
| 4560380 | Disposable therapy diaper This disclosure relates to a disposable therapy diaper which incorporates non-woven, hypo-allergenic materials including an absorbent layer and incorporates shaping, reservoir and attachment means, to serve as a device for containment of incontinent body ... | 12/24/1985 |
| 4560084 | Heater preform for sealing a closure A process and apparatus for sealing electronic packages and lids involves placing a heater preform device between the sealing surfaces of the package and lid. If the package and lid are ceramic, the preform may be metallic having a glass coating fused the... | 12/24/1985 |
| 4559963 | System for feeding liquid substances Two or more sets of liquid substance feed means are provided each which consists of a supply device, a transport pipe and a delivery pump. These feed means are connected through a valve to a single transport pipe and back pressure devices are provided in ... | 12/24/1985 |
| 4557943 | Metal-silicide deposition using plasma-enhanced chemical vapor deposition A method for deposition of thin conductive layers of low resistivity titanium silicide. The method comprises the co-deposition of titanium and silicon by plasma-enhanced chemical vapor deposition at a low temperature. An anneal above the deposition temper... | 12/10/1985 |
| 4557939 | Method for improving a hardly soluble gelling agent The present invention concerns a method for improving the solubility of gelling agents hardly soluble in water such as agar-agar, gelatin and carrageenan. Said method includes the step of contacting said gelling agent with a non-equilibrium plasma formed ... | 12/10/1985 |
| 4557657 | Article handling apparatus and method An article handling device which is particularly well suited for loading articles into a reactor furnace for processing and subsequently unloading the processed articles. The article handling device is supported and vertically movable into alignment with ... | 12/10/1985 |
| 4557030 | Multipurpose apparatus and method for tuning and grooving a ski A multipurpose ski apparatus is presented which may be used to tune and groove a ski. The apparatus may be easily held by a person's hand. It has a file on its upper end for filing the bottom side of a ski, a metal scraper for scraping the bottom of the s... | 12/10/1985 |
| 4553746 | Hand exerciser A hand exerciser includes a frame having a contoured hand grip portion and a slide mechanism supported within the frame for reciprocative movement. The slide mechanism includes a transverse finger grip which is both rotatable and angled to maximize the co... | 11/19/1985 |
| 4553420 | Method and apparatus for touch-free lead bending Apparatus is provided for bending one or two complete rows of leads on a dual-in-line semiconductor package at one time without damaging the leads. The leads of the dual-in-line package are initially in their manufactured position, extending horizontally ... | 11/19/1985 |
| 4550871 | Four-motion wire bonder A four-motion wire bonding apparatus, for effecting wire bonds between a semiconductor chip and a lead frame. In addition to employing X-, Y-, Z- and theta-motion drives for the bonding head, the apparatus provides a bulk wire-feed, which delivers bonding... | 11/05/1985 |
| 4550802 | Footstool with inclined ramp An improved footstool is disclosed which is useful for assisting medical patients to climb onto a medical equipment. The footstool includes a top with supporting legs which support the top above a floor surface. A removable incline ramp which stands from ... | 11/05/1985 |
| 4550291 | Noise-free, die area efficient cascode circuit In a circuit in which a common-source junction field effect transistor (JFET) is cascoded with a JFET element, current diversion or division circuits are used to divert a majority of the current passing through the input amplifier stage so that it bypasse... | 10/29/1985 |
| 4549811 | Mixing bowl splatter guard A splatter shield is provided for use with a conventional portable mixer having a speed control switch and a pair of laterally spaced drive sockets. A pair of beaters each includes one end portion adapted to be detachably secured within the drive sockets,... | 10/29/1985 |
| 4546853 | Portable folding platform apparatus used with a ladder and winch A portable folding platform apparatus is disclosed which may be removably mounted on an extension ladder having a winch removably mounted at the top of the ladder. The apparatus may be used to lift loads to the top of a house, to the different floors of a... | 10/15/1985 |
| 4544920 | Intrusion detector and method Apparatus and method are provided for protecting an unoccupied building. The apparatus includes a noise detector for detecting noises generated by attempts to enter the building. Any noise detected is converted to an electronic signal and conveyed to an a... | 10/01/1985 |
| 4542368 | Trimmable resistive scaling network suitable for digital to analog converters A trimmable resistive scaling network suitable for use in digital-to-analog converters or the like. At least two trimmable resistors with low order integral relative values provide for either scaling up or scaling down with high accuracy.... | 09/17/1985 |
| 4540455 | Method of manufacturing laminated foam plastics materials A method of manufacturing laminated plastics materials comprising passing a first sheet material adjacent a barrier in parallel spaced relation to the barrier which is disposed obliquely to the direction of passage of the first sheet material and applying... | 09/10/1985 |
| 4539903 | Filling apparatus A filling apparatus for charging a liquid or highly viscous product into containers. The apparatus has a pressurizing tank, buffer tank, filling tank and a filling machine. The tanks have controllable pneumatic internal pressure. The product is fed at a h... | 09/10/1985 |
| 4538100 | DC to AC inverter and motor control system This relates to a low cost reliable controller which may be used in conjunction with induction motors or, more generally, to generate AC power from a DC source. The system utilizes a microprocessor in combination with low cost parallel transistors to prov... | 08/27/1985 |
| 4537967 | 1-Oxo-1,2,3,4-tetrahydro-3-isoquinoline carboxylic acid derivatives The following new isocarbostyryl derivatives represented by the general formula [I]: ##STR1## wherein R1 is a hydrogen atom or a lower alkyl group, are provided, said derivatives having excellent angiotensin converting enzyme inhibitory ... | 08/27/1985 |
| 4537246 | Vertical heat sink A heat sink for generating heat dissipated by an electronic component mounted thereon includes a vertical heat conductive member, and a resilient clip having first and second legs which are resiliently biased towards each other such that when the clip is ... | 08/27/1985 |
| 4537151 | Portable folding corral A plurality of panels which are rotatably coupled to each other by sleeves are used to form a portable folding corral for enclosing animals such as horses. The panels may be folded and mounted on a trailer. As a result, the portable folding corral may be ... | 08/27/1985 |
| 4534921 | Method and apparatus for mold cleaning by reverse sputtering A method and apparatus for cleaning at least selected surfaces of a mold apparatus to remove plastic residue and surface contaminates and impurities to enable the molds to be used in a continuous in-line type process for encapsulating lead frame assemblie... | 08/13/1985 |
| 4531638 | Mounting means for remembrance items This is an improved mounting means which can be used on special occasions for holding and displaying items that may be given away to guests as a remembrance of the special occasion. The mounting means may be a flat board with circular holes and vertical s... | 07/30/1985 |
| 4530758 | Ore flotation method The method of recovering copper from a copper-bearing ore which comprises froth flotation of the ore in alkaline circuit and in the presence of a phosphorodithio compound of the formula ##STR1## wherein X is hydrogen, alkali metal, or the ammonium ra... | 07/23/1985 |
| 4528097 | Symmetrical fluid filter apparatus with multifaceted beads A filter apparatus for removing contaminants from a fluid comprises a cylindrical body and first and second caps coupled to first and second ends of the cylindrical body. Each of the caps has an aperture therein for the flow of fluid therethrough and firs... | 07/09/1985 |
| 4525663 | Precision band-gap voltage reference circuit A band-gap voltage reference circuit which incorporates a band-gap differential amplifier supplied with constant, temperature-independent current, a high gain differential-to-single-ended converter, temperature-compensated negative feedback means and a co... | 06/25/1985 |
| 4524080 | Method of improving quality of wheat flour A novel method for improving the quality of wheat flour, wherein the novelty resides in bringing the wheat flour into contact with a non-equilibrium plasma. The dough prepared from the wheat flour processed by this method exhibits an improved viscoelastic... | 06/18/1985 |
| 4520574 | Process for drying foods under reduced pressure A process for drying a food under a reduced pressure is provided for the preparation of a dried food which may be rehydrated to the original condition in a very short time to have pleasant taste and texture substantially comparable to an untreated food. T... | 06/04/1985 |
| 4520313 | Semiconductor testing and apparatus therefor A semiconductor die is positioned and examined by means of scanning certain strategic regions which border or overlap said die. The video which results from the scanning is digitized. For example, black is represented by an "0" and white is represented by... | 05/28/1985 |
| 4519246 | Improved flow meter An improved mass flow meter is disclosed for measuring the flow rate of a fluid through a thin walled sensor tube that has the feature of high sensitivity to the temperature of the fluid within the sensor tube. The sensor tube is wound with closely couple... | 05/28/1985 |
| 4516596 | System for cleaning a three-way valve A system having first, second and third pipes connected respectively to first, second and third ports of a three-way valve. A by-pass pipe is connected at its one end to one of the second and third ports after disconnecting the associated one of the secon... | 05/14/1985 |
| 4516364 | Insulating block and a wall thereof A generally rectangular insulating block presenting parallel and opposite upper and lower surfaces and end and side portions thereof. A first series of matching dovetail mortises and tenons are provided on the end portions with a second series on the side... | 05/14/1985 |
