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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 |
| 5096092 | Food dispensing apparatus utilizing inflatable bladder A food dispensing apparatus is provided having an aluminum housing with an opening at its top surface, a cover for the opening, an outer enclosure disposed about the housing, a bag of food product disposed within the housing, a manually operated valve att... | 03/17/1992 |
| 5064156 | Adjustable height work support A workpiece support apparatus is provided with a pair of pivotable leg assemblies which are movable between a first, open position, and a second, closed position. A releasable latch member is provided for holding the leg assemblies in a selected one of th... | 11/12/1991 |
| 5063984 | Solar heating drapery opening indcator A solar heating device which indicates the proper window covering status for maximum energy conservation. A support structure (18) rests on window sill (16) and suspends two thermistors (22 and 24). One thermistor (22) is supported on the room side of dra... | 11/12/1991 |
| 5057088 | Needle guard An improved needle guard for a syringe is provided having a tubular body. The needle guard includes a longitudinal bore and one or more slots or slits formed therein. The longitudinal bore of the guard is sized for telescopic reception of and contraction ... | 10/15/1991 |
| 5040485 | Automatic car wash system A simplified automatic car wash system is disclosed which comprises a linear trolley suspended from the upper structure of a car wash building and a cross trolley transversely mounted thereto. A spray arm is rotatably mounted to a glider plate on the cros... | 08/20/1991 |
| 5037708 | Silver palladium alloy A silver colored metal alloy having improved tarnish resistance is disclosed, which is intended primarily for solid sterling jewelry and utensils and may also be used in silver plating, and does not easily tarnish and corrode. The alloy consists essential... | 08/06/1991 |
| 5019335 | Gold colored metal alloy The present invention provides an improved casting alloy for use in costume jewelry and jewelry samples. In accordance with the present invention, a gold colored metal alloy is disclosed which is tarnish resistant and consists of the following ingredients... | 05/28/1991 |
| 5012716 | Rotatable pick-up head for electric guitar An electrical guitar is provided having a conventional guitar body, strings and mounting bridge for the strings. A manually rotatable disc is rotatably mounted on the guitar. On the rotatable disc are one or more electromagnetic pick-up heads which allow ... | 05/07/1991 |
| 4999200 | Psyllium tablet composition, method of manufacture and method of use A psyllium composition in tablet form is provided having a wetting agent, a disintegrant and a binding agent. In one embodiment, the wetting agent is polysorbate 80, the binding agent is polyvinyl pyrrolidone and the dry binding agent and disintegrant is ... | 03/12/1991 |
| 4984515 | Portable barbeque grill cart A portable barbeque grill cart is disclosed having a base portion, two opposing end portions, and optional shelf portions. The two end portions are fabricated having two or more slip sleeve connectors adapted for telescopic interconnection of the base por... | 01/15/1991 |
| 4980152 | Oral preparation An aqueous oral preparation is provided having from about 0.5% to about 10% by weight of a peroxide compound such as hydrogen peroxide or urea peroxide and from about 0.01% to about 2% by weight of a compound providing fluoride or fluoride-containing ions... | 12/25/1990 |
| 4966758 | Vacuum ampule filtration device A manual liquid filtration device includes a housing having an open upper end providing access to an internal vacuum chamber, and defining a liquid specimen receiving chamber with a filter element adapted for fluid communication with the vaccum chamber. A... | 10/30/1990 |
| 4948557 | Tarnish resistant gold colored alloy with enhanced gold color A gold colored, tarnish and corrosion resistant alloy is disclosed, usable for jewelry, dental purposes and the like. The alloy consists essentially of 24 to 27 percent palladium, 19 to 22 percent indium, 5 to 30 percent copper, 1 to 20 percent gold, and ... | 08/14/1990 |
| 4944396 | Club removal indicator The present invention is a device for indicating when a golf club is removed from a golf bag, and from which location the club has been removed. A tubular indicator member is pulled by the golf club from the particular aperture where the club resides the ... | 07/31/1990 |
| 4895701 | Gold colored alloy composition with zero percent gold A gold colored, tarnish and corrosion resistant gold free alloy is disclosed, usable for jewelry, dental purposes and the like. The alloy consists essentially of 24 to 27 percent palladium, 19 to 22 percent indium, 5 to 30 percent copper, and the balance ... | 01/23/1990 |
| 4865809 | Copper-free gold alloy composition A gold colored, tarnish and corrosion resistant copper free allow is disclosed usable for jewelry, dental purposes and the like. The alloy consists essentially of 8 to 20 percent Gold, 22 to 26 percent Indium, 22 to 28 percent Palladium, and the balance i... | 09/12/1989 |
| 4796300 | Reclosable flexible container having interior and exterior closure elements interlocked on the container walls A reclosable flexible container is provided as a pouch having a front wall with an inside and an outside surface, a rear wall with an inside and an outside surface and a pouch opening. A pair of exterior closure elements are provided for mechanical interl... | 01/03/1989 |
| 4792398 | Manual vacuum filtration device A manual liquid filtration device includes a housing having an open lower end providing access to an internal vacuum chamber, and defining a liquid specimen receiving chamber at its upper end adapted for flow communication with the vacuum chamber. An elas... | 12/20/1988 |
| 4787755 | Reclosable flexible container having fastener profiles sealed at their ends to the outside of the bag A reclosable pouch is provided having front and back walls and an opening along its upper edge. A first fastener profile is sealed on its ends to the exterior of the front wall of the pouch. The fastener profile extends longitudinally near the pouch openi... | 11/29/1988 |
| 4762350 | Cross bar locking device A modular electric door lock for securing a door, includes a tubular housing selectively affixed to the door. A pair of brackets are positioned on either side of the door frame and fixedly attached thereto in alignment with the tubular housing. A pair of ... | 08/09/1988 |
| 4758099 | Flexible container having resealable closure A resealable container having flexible side walls defining an access opening, and a sealing cuff disposed internally of said access opening. The sealing cuff is formed from a film sheet having a first marginal edge affixed to the container about the perip... | 07/19/1988 |
| 4756628 | Reclosable flexible container having a downwardly depending cuff A reclosable flexible container is provided as a pouch having front and back walls and a pouch opening at the upper edge thereof. The pouch has a cuff about the periphery of the pouch opening. A first fastener profile is affixed to either the cuff or the ... | 07/12/1988 |
| 4547761 | Distress light and signal system A distress light and signal system including a light adapted to be anchored in the ground in proximity to a road passing by a house. The light includes a switch for selectively actuating the light in an emergency from within the house and is powered by a ... | 10/15/1985 |
| 4518364 | Swimming instruction device A swimming instruction device in the form of a kickboard having a top surface and a bottom surface. The kickboard is buoyant to float on water with at least a portion of the bottom surface in contact with the water and the top surface facing upwardly and ... | 05/21/1985 |
| 4395260 | Drip chamber An apparatus and method for effectively eliminating the risk of introducing air bubbles into a fluid delivery system such as to administer parenteral fluids to a patient. The apparatus comprises a baffle positioned within a drip chamber for deflecting flu... | 07/26/1983 |
| 4342313 | Catheter insertion device The invention relates generally to an improved catheter insertion device of the type having a drum-like receptacle which advances the catheter when it is rotated relative to the base, causing the catheter to move through a tubular outlet. The improvement ... | 08/03/1982 |
| 4338826 | Sampling apparatus An improved apparatus for collecting atmospheric samples, particularly air samples, comprises a sealed collapsible receptacle which includes a hollow body having a base, top and side walls. At least the side walls are constructed of a flexible material. A... | 07/13/1982 |
| 4338933 | Combination quick disconnect coupling and liquid cutoff valve A combination quick disconnect coupling and liquid cutoff valve comprises a first tubular member, and a second tubular member having a cylindrical sheath slidably disposed about and extending therefrom, sized for telescopic insertion into the first tubula... | 07/13/1982 |
| 4335866 | Flow control device An improved clamp for regulating the flow of fluid through a length of flexible tubing comprising a clamp body for supporting the tubing, having opposing walls extending from the surface of the clamp body so as to present a passage for the flexible tubing... | 06/22/1982 |
| 4326519 | Venipuncture device An improved venipuncture device comprises a catheter having a catheter hub at one end, with a needle having a needle hub at one end and a sharpened tip at the second end extending through the catheter and catheter hub. The needle is adapted for insertion ... | 04/27/1982 |
| 4324238 | Equipment sets having a combined air barrier and liquid sequencing device for the sequential administration of medical liquids at dual flow rates Equipment sets for the sequential administration of medical liquids allow primary liquid to be administered at a flow rate independent of the flow rate of a secondary liquid. The sets include a combined air barrier and liquid sequencing device to prevent ... | 04/13/1982 |
| 4300553 | Winged catheter placement assembly A needle-inside, catheter placement assembly including needle and catheter units. The needle unit comprises a needle joined by a flexible line to a needle hub. The catheter unit comprises a catheter, winged catheter insertion means, flexible tubing and tu... | 11/17/1981 |
| 4285492 | Flow control device An improved clamp for regulating the flow of fluid through a length of flexible tubing comprises a clamp body for supporting the tubing, having opposing walls extending from the surface of the clamp body so as to present a passage for the flexible tubing.... | 08/25/1981 |
| 4258712 | Equipment sets having a pilot liquid controlled primary tube valve for the sequential administration of medical liquids at dual flow rates Equipment sets for the sequential administration of medical liquids wherein a primary liquid can be administered at a flow rate independent of the flow rate of a secondary liquid, and including a barrier substantially impervious to air to prevent the inad... | 03/31/1981 |
| 4252116 | Equipment sets having a novel flexible diaphragm valve in a secondary liquid flow path for the sequential administration of medical liquids at dual flow rates Equipment sets for the sequential administration of medical liquids wherein a primary liquid can be administered at a flow rate independent of the flow rate of a secondary liquid, and including a barrier substantially impervious to air to prevent the inad... | 02/24/1981 |
| 4250879 | Equipment sets and system for the sequential administration of medical liquids at dual flow rates employing a combined air barrier and liquid sequencing valve Gravitational flow system and equipment sets for the sequential administration of medical liquids wherein a primary liquid can be administered at a flow rate independent of the flow rate of a secondary liquid, and including a barrier substantially impervi... | 02/17/1981 |
| 4237880 | Equipment sets for the sequential administration of medical liquids at dual flow rates employing a combined air barrier and liquid sequencing valve controlled by a common flexible membrane Equipment sets for the sequential administration of medical liquids wherein a primary liquid can be administered at a flow rate independent of the flow rate of a secondary liquid, and including a barrier substantially impervious to air to prevent the inad... | 12/09/1980 |
| 4237879 | Equipment sets for the sequential administration of medical liquids at dual flow rates employing parallel secondary liquid tubing and a 3-way valve Equipment sets for the sequential administration of medical liquids wherein a primary liquid can be administered at a flow rate independent of the flow rate of a secondary liquid, and including a barrier substantially impervious to air to prevent the inad... | 12/09/1980 |
| 4236305 | Apparatus for fitting a resilient ring on a bottle A resilient ring is fitted over a shoulder and onto the bail band indent of a bottle by an apparatus having means for supporting and locating the resilient ring, means to locate and align the bottle with the ring, and ram means for relatively displacing t... | 12/02/1980 |
| 4236515 | Equipment sets and system for the sequential administration of medical liquids at dual flow rates employing parallel secondary liquid tubing Gravitational flow system and equipment sets for the sequential administration of medical liquids wherein a primary liquid can be administered at a flow rate independent of the flow rate of a secondary liquid, and including a barrier substantially impervi... | 12/02/1980 |
