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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 |
| 5019596 | Pharmaceutical compositions having therapeutical activity based on mercaptoethansulphonic acid Derivatives of mercapthansulphonic acid are active in the therapy of the bladder carcinoma and in the therapy and prevention of the cistinic kidney calculi. The saline derivatives with basic aminoacids and their alkyl esters are moreover devoid of side ef... | 05/28/1991 |
| 5015314 | Method for production of ceramic circuit board A method for producing a ceramic circuit board comprising the steps of (i) forming a conductor portion of the ceramic circuit board by printing a conductive paste composition on a ceramic base plate for the circuit board and then (ii) firing the ceramic b... | 05/14/1991 |
| 5008327 | Electrodeposition coating composition An electrodeposition coating composition comprising a fluorine-containing copolymer, a curing agent and an aqueous medium, said composition having a fluorine ion content of not more than 15 ppm. According to the composition of the present invention, since a ba... | 04/16/1991 |
| 5000454 | Golf club head A golf club head is disclosed which comprises a body made of a fiber-reinforced plastic having a back side, a club face, a sole and a hosel. A weight member having a nearly circular configuration is located adjacent to the inner circumference of the back ... | 03/19/1991 |
| 4996916 | Machine for producing bean curd A bean curd producing machine comprising soybean milk coagulating means, means for dewatering and shaping coagulated soybean milk and means for delivering bean curd shaped by dewatering. The coagulating means comprises a bucket conveyor disposed within a ... | 03/05/1991 |
| 4995836 | Pin plug connector The inventive pin plug connector is advantageously applied to connection of a coaxial cable for electronics, in particular, in audio and video devices. The coaxial cable for such usage comprises a core conductive line, an insulative layer covering the cor... | 02/26/1991 |
| 4986470 | Flow controller A flow controller of a temperature-sensitive type provided with an initial condition setting mechanism comprises a valve; a valve seat; a bimetal support tube disposed around the valve and adapted to be rotated and angularly positioned by operating means;... | 01/22/1991 |
| 4965768 | Semiconductor device having programmable read only memory cells for specific mode A semiconductor device having an internal circuit comprising a program circuit for programming a PROM, a discrimination circuit for discriminating the contents of the PROM, and a specific mode starting circuit for bringing the internal circuit to a specif... | 10/23/1990 |
| 4923411 | External connection structure of electric connection box An external connection structure of an electric connection box includes a male or a female multi-connector housing formed integral with electric connection box and connected to an internal wiring of this electric connection box, and is constituted of a th... | 05/08/1990 |
| 4905747 | Pneumatic radial tire shoulder structure A pneumatic radial tire having a carcass ply and a belt layer, wherein the tire has a shoulder portion formed stepwise in its meridian cross-section and an outer end portion in the widthwise direction of each step is notched in a circular zigzag shape in ... | 03/06/1990 |
| 4906501 | Laminated damping material for vehicle and method for welding the material to vehicle body panel A laminated material as a damping member welded to a panel of a vehicle body comprises a lower sheet of a foamable mer-sheet, an upper sheet of a non-foamable mer-sheet and an intermediate sheet of a reduced size to be interposed between the upper and low... | 03/06/1990 |
| 4905860 | Speaker box A speaker box for housing a radio speaker unit and intended for mounting within a vehicle door is formed of plastic by a monobloc molding method such as blow molding thus providing a seamless speaker box that is free from air leakage. The speaker box has ... | 03/06/1990 |
| 4906604 | Multi-color heat sensitive recording material In a multi-color heat sensitive recording material comprising a substrate and two or more heat sensitive color-forming layers thereon capable of forming different colors from each other, at least one of the heat sensitive color-forming layers containing a... | 03/06/1990 |
| 4906429 | Process for producing blown film of butene-1 polymer This invention provides a process for producing a blown film of butene-1 polymer excellent in elasticity, elastic recovery, impact strength and the like which includes extruding a butene-1 polymer having a melt index of 0.3-10 g/10 min in a tubular form f... | 03/06/1990 |
| 4903151 | Head positioning system for positioning a multiple head with respect to data and servo trasks of a recording medium A head positioning system on a recording medium includes a recording medium having a periodic arrangement of data tracks and servo tracks wherein the periodic arrangement having a predetermined period includes Nd (Nd is an integer eq... | 02/20/1990 |
| 4902968 | Connector terminal checking tool A connector terminal checking tool including a base, a connector receiving member fixedly provided on one end portion of the base for receiving a connector to be checked, and a connector checking member movably provided on the other end portion of the bas... | 02/20/1990 |
| 4897766 | Composite type circuit parts This invention discloses a composite type circuit part comprising a conductive plate formed at both wings with inductor place portions, respectively, a pair of first intermediate coupling elements in which an inductor place portion is formed at one end op... | 01/30/1990 |
| 4893884 | Wall cabinet A wall cabinet provided with an upper dividing member and a lower pedestal adjustable of height each on a container part constituted of various cabinets tall enough to reach a ceiling surface from a room floor surface, and installed at the central or othe... | 01/16/1990 |
| 4889364 | Ski-carrying element A ski-carrying element that enables a ski to be carried by hand substantially horizontally, in a balanced fashion. The ski-carrying element has, on the one hand, a fixed part provided with means for fastening to the sole piece of the ski on the face havin... | 12/26/1989 |
| 4889774 | Carbon-fiber-reinforced metallic material and method of producing the same Carbon fibers are mixed with a metal powder oxidizable to generate heat and the mixture is formed into a shaped article. The fiber shaped article is heated in a non-oxidative atmosphere in a preheating furnace and then, a molten metal is filled into the f... | 12/26/1989 |
| 4884134 | Video endoscope apparatus employing device shutter An endoscope apparatus has a storage-time switching circuit for shortening the charge storage time of a solid state imaging device provided with a photoelectric conversion function, and the quantity of illuminating light to be projected an object is incre... | 11/28/1989 |
| 4882740 | Frequency counter for counting a frequency and partly varied frequencies of a signal in real time A frequency of a signal, particularly a frequency, partly varied as time passes, of a signal is counted in real time by producing a delay signal by delaying the signal as much as a predetermined time, detecting delayed zero-cross pulses from the delayed s... | 11/21/1989 |
| 4879665 | Medical picture filing system A medical picture filing system according to the invention is composed of a picture data memory device, a picture data input-output device for inputting/outputting the picture data, a retrieving device for storing the picture data into the memory device a... | 11/07/1989 |
| 4873175 | Method of forming functional coating film between fine electric conductive circuits The present invention is for a method of forming a coating film used for filling the space between the color stripes for a color filter which is used for colorization of a liquid crystal display. In particular, the light-shielding electrodeposition coatin... | 10/10/1989 |
| 4871323 | Connector with connection check device A connector with a connection check device which comprises male and female connector housings oppositely engaged, first and second slots so formed in the forward portions to be mated of both the connector housings as to be mated in a direction perpendicul... | 10/03/1989 |
| 4871674 | Culture cell A culture cell having discontinuous projecting parts for hanging the culture cell on an upper circumferential portion and a membrane filter on a bottom portion, characterized in that triangular tapered ribs are provided continuously underneath the discont... | 10/03/1989 |
| 4870617 | Semiconductor memory device having data bus reset circuits A semiconductor memory device comprises a plurality of reset circuits connected to a data bus pair at different locations. Before each read operation, the reset circuits reset the data bus pair to a predetermined reset voltage. The resetting of the data b... | 09/26/1989 |
| 4870587 | Method of discriminating a stroke of a 4-cycle internal combustion engine An engine stroke discriminating method and apparatus for a 4-cycle internal combustion engine which discriminates a stroke of the engine with accuracy, the method and apparatus being simple in construction and low in cost. The stroke discriminating method... | 09/26/1989 |
| 4870106 | Oculistics pharmaceutical composition for cataract treatment This invention relates to a pharmaceuticals which contains thyroid hormones and improved method which extracts thyroid hormones from animal thyroid gland. The pharmaceuticals of this invention is used to treat senile cortical cataract. There are some effe... | 09/26/1989 |
| 4868612 | Semiconductor device utilizing multiquantum wells A semiconductor device comprises a first barrier layer, a quantum well layer formed on the first barrier layer and having a bottom of conduction band with an energy which varies with a curve of second order, a second barrier layer formed on said quantum w... | 09/19/1989 |
| 4868073 | Highly active catalyst and highly active electrode made of this catalyst A highly active powder catalyst with a high concentration of platinum group elements prepared from an amorphous alloy consisting of at least one of valve metals, at least one of platinum group elements and balance being at least one element selected from ... | 09/19/1989 |
| 4867641 | Outer wall structure of a torque converter and others An outer wall structure of a torque converter or the like including an input housing (1) having an end portion (2), and a pump impeller shell 4 having an end portion (5) fixed to the end portion of the input housing (1). one (5) of the end portions (2, 5)... | 09/19/1989 |
| 4868260 | Hard contact lens material consisting of alkyl fumarate and silicon-alkyl fumarate copolymers A hard contact lens material comprising a copolymer made of at least two kinds of fumaric acid diester at least one of which is a dialkyl fumarate as main components. The hard contact lens material has high oxygen permeability, transparance and excellent ... | 09/19/1989 |
| 4865468 | Wheel bearing assembly for automotive wheel A wheel bearing assembly for an automotive wheel equipped with a detector for the number of revolutions of a wheel hub. It has an outer member and two inner members mounted in the outer member through rolling elements. A pulse ring in the form of a multip... | 09/12/1989 |
| 4865765 | Ursodeoxycholic acid derivatives and their inorganic and organic salts having therapeutic activity, and process for preparing the same Ursodeoxycholic acid amides of the formula: ##STR1## wherein R is --CH2 --SO3 H or --COOH and R' is --H and --(CH2)2 --CONH, --CH2 --CONH2, --(CH2)2 --SCH3 | 09/12/1989 |
| 4864874 | Force measuring device A novel force measuring device of simple design is provided with complementary stop surfaces protecting the device against over-loading. Alternatively, overloading is prevented by duplicating the force measuring device with two portions operating in oppos... | 09/12/1989 |
| 4861768 | 2 ଲ-substituted thiomethylpenicillin derivatives and their preparation and use Disclosed is a penicillin derivative of the formula: ##STR1## wherein n is an integer of 0, 1 or 2; Y is a cyano group, a lower acyl group, a mono- or di-lower alkylthiocarbamoyl group, ##STR2## wherein R1 is a hydrogen atom, a lower ... | 08/29/1989 |
| 4861597 | Novel functionallized liposomes and a process for production thereof Novel functionallized liposomes containing a high-molecular-weight amphiphilic compound such as LPS etc. as one of matrix material have a very high encapsulation efficiency and readily undergo lysis. Moreover, antigen, antibody, etc. can be immobilized on... | 08/29/1989 |
| 4861013 | Mechanism for preventing the feeding of more than one sheet of paper at one time A mechanism for preventing the feeding of more than one sheet of paper at one time comprising a document feeder having a pair of parallel shafts, one of which is a paper-supply roller shaft supporting a plurality of paper-supply rollers, and the other of ... | 08/29/1989 |
| 4861854 | Photosensitive polyimide precursor A photosensitive polyimide precursor composed of the structural units (A) represented by the following general formula (I) and the structural units (B) represented by the following general formula (II), in which the ratio of the molar quantity of the stru... | 08/29/1989 |
