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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 |
| 4451931 | Disposable garment with card tongue A disposable garment comprising, a gown having a pair of sleeves, a front, and a pair of side margins defining an open back for the gown. The garment has a first belt having one end secured to the gown and the other end being free. The garment has a secon... | 06/05/1984 |
| 4451932 | Infant restraint A restraint assembly for an infant, and particularly for a premature infant, which takes the form of a shirt or vest which is to cover the torso of the infant from which extends sleeves to be located about each arm of the infant. Each sleeve is to be clos... | 06/05/1984 |
| 4451933 | Costume mask armature A universal costume mask armature is disclosed in which a rigid, preferably lattice, infrastructure including skull-shaped cranium and face portion is utilized. The face portion is preferably generally flattened and includes a pair of eye ports. A nose pl... | 06/05/1984 |
| 4451934 | Ribbed ventilating undergarment for protective garments A garment and accessories formed substantially entirely of textile fabric having a series of parallel raised ribs at generally equally spaced intervals to form channels through which air may circulate and which also serves to maintain a distance when the ... | 06/05/1984 |
| 4451935 | Head covering equipped with double pocket A first wall and a second wall coact with a portion of a head covering section of a head covering to define an inner pocket and an outer pocket. The first wall is taller than the second wall to define a flap-forming portion; and a fold in that first wall ... | 06/05/1984 |
| 4451936 | Supra-annular aortic valve An aortic prosthetic valve for supra-annular implantation comprising a valve body of generally annular configuration and a valve element movably mounted on the valve body for opening and closing the valve. The valve body terminates in a generally annular ... | 06/05/1984 |
| 4451937 | Heart valve having ear guided occluders Heart valve prostheses have annular valve bodies with central passageways and valve members supported for pivotal and translational movement between open and closed positions. The occluders, which may be either of a bileaflet or single occluder design, ar... | 06/05/1984 |
| 4451938 | Intraocular lens and method of positioning the same in an eye An intraocular lens and method of positioning the same in a human eye in which the lens has, for example, two body portions which are separable outside the eye and two position-fixation members extending therefrom. The individual lens body portions and po... | 06/05/1984 |
| 4451939 | Knee joint apparatus for a leg prosthesis Rotary joint apparatus for a prosthesis and the like having a first section 10 and a second section 16 joined by the joint is disclosed including a housing member A connected to one of the sections and a housing member B connected to the other of said sec... | 06/05/1984 |
| 4451940 | Toilet seat and cover assembly This invention related to solid and/or cushioned toilet seat assemblies. More specifically this invention is directed to a toilet seat assembly wherein the seat and cover have magnetic elements to prevent the seat from falling down while in use of while t... | 06/05/1984 |
| 4451941 | Toilet bowl sanitizer dispenser A sanitizer dosing dispenser for immersion in a body of water such as a toilet tank whose water line can be lowered from an upper level to a lower level by flushing, which includes a product chamber for containing a solid, water soluble material, first an... | 06/05/1984 |
| 4451942 | Local washing device of flush toilet A local washing device of flush toilet for cleaning the user's body part with heated water ejected toward the part under varying pressures preventing drastic initial ejection. The device comprises a heated water tank supplied with water from a flushing wa... | 06/05/1984 |
| 4451943 | Wetting device for toilet paper A water disperser, carried by the water closet of a flush toilet, to dispense water to wet toilet paper before use. Water is provided by the water closet supply system and the unused portion is wasted to upon associated toilet bowl. The device disperses w... | 06/05/1984 |
| 4451944 | Net bed A bed comprises a flexible web, preferably of mesh or net form, on which a patient is supported and which is slung between two parallel shafts. The ends of the web are respectively wound on to the two shafts which can be turned by end winding handles thro... | 06/05/1984 |
| 4451945 | Medical couch The medical couch contains a lower frame, an upper frame for carrying a table top, and a link mechanism interconnecting both frames. The link mechanism includes pivotally interconnected support arms which are operated in a scissor action to lift and lower... | 06/05/1984 |
| 4451946 | Pocketed spring assembly The pocketed upholstery springs of the disclosed assembly, made from strips of pocketed springs and intended for use in mattresses or cushions, are connected together in "square" array, i.e., each spring disposed in mutually perpendicular rows, by connect... | 06/05/1984 |
| 4451947 | Electrical wire handling tool An electrical wire handling tool (10) is disclosed. This tool is useful for cutting jumper wires to any required length and at any location, for installing jumper wires into slotted beam connectors, and for removing no longer needed jumper wires from such... | 06/05/1984 |
| 4451948 | Wire stripping tool A tool for stripping insulation from coaxial or multiple conductor cables is disclosed. The tool consists of a support assembly (1) with an integrally connected spring (5) which swivels between an up and down position. The support assembly (1) contains a ... | 06/05/1984 |
| 4451949 | Safety shoe and method for making same A safety shoe having a closed bottom lining is assembled by a method in which a slip last is inserted into a closed bottom lining and a net-fit upper portion is attached to the lining. The forepart of the upper portion is lasted to the lining after a stee... | 06/05/1984 |
| 4451950 | Long-span bridges A suspension bridge has a first deck supported from a pair of suspension cables by hangers and a second deck independently supported from a pair of suspension cables by hangers. The two parallel decks are separated by a gap whose width is not less than th... | 06/05/1984 |
| 4451951 | Engine-driven blower/dust collector An engine driven blower/dust collector in which the suction opening and the discharge opening are arranged in the same plane in a side-by-side relation, and an air-switching slide pipe is provided to slide on the plane of these openings so as to permit th... | 06/05/1984 |
| 4451952 | Suspension device for a power-driven handtool The suspension device for a power-driven handtool such as a humane killer comprises a yoke having two arms pivotally mounted on two pivots whose common horizontal geometrical axis passes substantially through the center of gravity of the handtool unit. Th... | 06/05/1984 |
| 4451953 | Hand held skinning device A hand held power driven skinning device includes a housing having a handle connected thereto and having a blade assembly mounted thereon. A driven tooth roll assembly is provided with a shaft that is journaled on the housing. A clean-out bar assembly is ... | 06/05/1984 |
| 4451954 | Apparatus for consecutively metering discrete amounts of a divisible mass, particularly sausage-meat Apparatus for consecutively metering discrete amounts of a divisible mass, particularly sausage meat, including feeding means (7, 96) for said mass adapted to be operated in time with the metering operation and followed by a power-operated cutoff device, ... | 06/05/1984 |
| 4451955 | Crimp-type clamp A crimp-type hose clamp wherein the ends of the clamp are joined in a double-layered top portion of the hat section of the clamp.... | 06/05/1984 |
| 4451956 | Clasping device A clasping device which has a body and a manipulatable lever pivotally connected to the body. The body has at least two connecting members extending between a pair of side plate members thereof, one of the connecting members can contact a strap connected ... | 06/05/1984 |
| 4451957 | Apparatus for joining the ends of a belt to make it endless A slide apparatus for joining ends of a belt of the type having a plurality of transverse interlocked spiral elements. The slide apparatus includes two tapered overlapping channels for the reception of the overlapping belt ends so that upon movement of th... | 06/05/1984 |
| 4451958 | Seat belt buckle with pivoting latch A locking element or latch is embodied from a metal plate and comprises a first pair of articulation tabs, a second pair of tabs to receive strains, these tabs being received in corresponding openings formed in the flanges of the base. The retaining membe... | 06/05/1984 |
| 4451959 | Methods for securing a rotor blade within a rotor assembly and removing a rotor blade therefrom A rotor assembly and methods for securing rotor blades within and removing rotor blades from rotor assemblies. The rotor assembly comprises a rotor disc defining a plurality of blade grooves, and including a plurality of tenons disposed between the blade ... | 06/05/1984 |
| 4451960 | Method of producing multiple coil, multiple tube heat exchanger A method of producing multiple coil, multiple tube heat exchanger from circular tubes, in which alternating turns in each coil have a warmer liquid and other turns a cooler liquid, by coating the outside of each coil with a heat conductive mastic and wind... | 06/05/1984 |
| 4451961 | Method of making detent device for a removable dental prosthesis A detent device for removably securing a dental prosthesis in a patient's mouth, having a spring loaded plunger movably disposed in an externally threaded tubular member with an end portion of the plunger projecting outwardly therefrom. A positioning spri... | 06/05/1984 |
| 4451962 | Porous filter block and method of manufacturing the same A filter block for filtering melt synthetic plastic materials in a process of manufacturing plastics filaments includes a plurality of layers of wire fabric arranged in superimposed relationship. From the top to the bottom the filter block comprises inlet... | 06/05/1984 |
| 4451963 | Wheel and tire positioning system A method and apparatus for rotatably positioning an uninflated tire relative to its wheel about the axis of the wheel whereby a predetermined relationship between wheel and tire will exist upon inflation. In the system of the invention an uninflated tubel... | 06/05/1984 |
| 4451964 | Method of making a pressurized pneumatic counterbalance A pneumatic spring counterbalance extensible link including a closed end cylinder with an end connector a piston and rod assembly within the cylinder and maintained therein by the crimped over end portion of the cylinder retaining a rod bushing and rod to... | 06/05/1984 |
| 4451965 | Method for installing a sleeve on a substrate An apparatus is provided for installing sleeves onto elongated substrates such as electrical wiring or cable, where the sleeves are slideably arranged on fingers extending from a carrier belt. The apparatus includes a base having a belt path for receiving... | 06/05/1984 |
| 4451966 | Heat transfer tube assembly A heat transfer tube assembly comprising a pair of fluid circulation tubes disposed co-axially one within the other, the inner tube being held substantially concentric within the outer tube by a plurality of pairs of diametrally opposed depressions or dim... | 06/05/1984 |
| 4451967 | Crane system sheet feeder method and apparatus A crane system sheet feeder method and apparatus employed for depositing collections of bundles of sheets in locations related to specific ones of sheet feeders, such that each collection of bundles can be utilized by an overhead crane to deliver the indi... | 06/05/1984 |
| 4451968 | Method and device for providing an ohmic contact of high resistance on a semiconductor at low temperatures A method and device are disclosed which allows an ohmic electrical contact with P-type semiconductor material using metallic foil at low temperature without significant diffusion of the metal into the semiconductor. The contact exhibits opposition to phys... | 06/05/1984 |
| 4451969 | Method of fabricating solar cells A solar cell fabrication procedure is described which is characterized by (1) formation of a "polysilazane" coating on a silicon substrate, (2) photo-lithography of the polysilazane coating to form a plating mask pattern, (3) a heating step which removes ... | 06/05/1984 |
| 4451970 | System and method for eliminating short circuit current paths in photovoltaic devices Systems and methods for detecting and eliminating short circuit current paths through photovoltaic devices of the type including at least one semiconductor region overlying a substrate and a layer of conductive light transmissive material overlying the at... | 06/05/1984 |
