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 |
| 8051493 | Probe microscopy and probe position monitoring apparatus A method of determining the position of a probe tip. An evanescent electromagnetic field is generated extending beyond an interface boundary between a first medium, having a first refractive index, and a second medium, having a second refractive index which is great... | 11/01/2011 |
| 7706174 | Static random access memory A static random access memory (“SRAM”) comprising: a pair of inverters each having an input and an output; a cross-coupling path coupling the input of a first inverter to the output of a second inverter; and a transmission gate, wherein the transmission gate com... | 04/27/2010 |
| 7376167 | Tunable ring laser with external grating operation in a single mode A tunable lasing device (100) comprising a ring-shaped laser cavity (102), an optical gain element (104), a bi-directional output coupler (106) and a frequency selection means (114). The frequency selection means is generally a gra... | 05/20/2008 |
| 7360427 | Coupling element with varying wall thickness for an ultrasound probe An ultrasonic probe is provided in which an elongate array of transducers is disposed within an elongate coupling element which is mounted for rotation about an axle. The profile of the coupling element is chosen so as to provide a substantially uniform contact forc... | 04/22/2008 |
| 7304090 | Inhibition of the cystic fibrosis transmembrane conductance regulator chloride channel Fluorescein and derivatives have use in the treatment of a disease of a living animal body, including human, which disease is responsive to the inhibition of the cystic fibrosis transmembrane conductance regulator chloride channels, for instance polycystic kidney di... | 12/04/2007 |
| 6974326 | Method of and an apparatus for measuring a person's ability to perform a motor control task An apparatus is provided for assessing a persons ability to perform tasks requiring hand and eye co-ordination. A gaze tracker 6 images a person's eye in order to determine their direction of look. In the context of a vehicle system, a steering wheel directio... | 12/13/2005 |
| 6916816 | Phenanthryl piperazinyl dicarboxylic acids as selective NMDA receptor modulating agents Disclosed are compounds of formula (I) wherein: L is (a) optionally substituted by replacement of one or more of the hydrogen atoms on the phenanthrene ring system by one or more groups other than hydrogen; A is CH2, SO2 or C═O; X is CO2... | 07/12/2005 |
| 6786637 | Temperature measurement of an electronic device The temperature of an electronic device at specified locations is determined by measuring the phonon frequency shift at the location of interest caused by operation of the device. ... | 09/07/2004 |
| 6762645 | Low power audio device An electrical device has an audio output, and the electrical device includes a radio receiver circuit, a class D amplifier, and an audio output element. The radio receiver circuit operates at a lower supply voltage than the amplifier. Moreover, the voltage supply fo... | 07/13/2004 |
| 6748263 | Monitoring electrical activity A method and apparatus for monitoring electrical activity, such as brainwaves, in an animal comprising detecting said activity to produce a corresponding output signal, combining the output signal with a random noise signal to produce a modified signal, and analyzin... | 06/08/2004 |
| 6670527 | Gibberellin 2-oxidase A nucleic acid sequence is provided which encodes a gibberellin 2-oxidase gene which catalyses the 2ଲ-oxidation of a gibberellin molecule to introduce a hydroxyl group at C-2 and further catalyses the oxidation of the hydroxyl group introduced at C-... | 12/30/2003 |