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 |
| D656150 | USB memory device | 03/20/2012 |
| D656148 | USB memory device | 03/20/2012 |
| D656146 | USB memory device | 03/20/2012 |
| D656145 | USB memory device | 03/20/2012 |
| D656144 | USB memory device | 03/20/2012 |
| D656143 | USB memory device | 03/20/2012 |
| D656142 | USB memory device | 03/20/2012 |
| D656141 | USB memory device | 03/20/2012 |
| D656140 | USB memory device | 03/20/2012 |
| D656139 | USB memory device | 03/20/2012 |
| 8107035 | Laser backlighting for displays Displays such as LCD panels are illuminated using frequency-doubled vertical extended cavity surface emitting lasers (VECSELs) as efficient light sources. Visible light from the VECSELs are directed to an illuminating panel using optical fibers and/or optical gratin... | 01/31/2012 |
| 8102893 | Multiple emitter VECSEL An extended cavity surface emitting laser has a first laser die with a first cavity and a first gain element and a second laser die with a second cavity and a second gain element. The first and second gain elements are in series to provide optical gain and optical f... | 01/24/2012 |
| 8050444 | Adjustable mechanism for improving headset comfort A headphone, headset, or ear protector incorporating adjustable clamping pressure and providing configurable distribution of headband pressure. In one embodiment, the headphones, headsets, or ear protectors include a headband or neckband and at least one earcup coup... | 11/01/2011 |
| 7973985 | Scanning device A scanning device scans both sides of a document. The document is fed between a first image sensor module and a second image sensor module. The second image sensor module is moved with respect to the first image sensor module so that a separation distance between th... | 07/05/2011 |
| 7958104 | Context based data searching Systems, methods, and software are provided for facilitating data searching over a network. For example, in one implementation, a first component may be adapted to communicate with a user via a user device over the network. A second component may be adapted to recei... | 06/07/2011 |
| 7921834 | Paintball loader Paintballs are loaded into a paintball gun. The paintballs are stored within a drive tube of a paintball loader. The paintballs are loaded into the paintball gun from the drive tube of the paintball loader. A screw is rotated with respect to the drive tube so that t... | 04/12/2011 |
| 7505162 | Digital scanning systems and methods for scanning multi-sided cards and documents The present invention relates to scanning multi-sided documents. The scanner device scans the multi-sided document one side at a time. The image of each side is tiled vertically or horizontally to form a composite image, which is transferred from the source to the a... | 03/17/2009 |
| 6978776 | Multiple column helical feeder A loader stores and loads round objects is presented. The loader includes a screw and a drive tube. The screw has a helical groove. The helical groove winds in a first direction. The drive tube has multiple helical grooves on an inner surface of the drive tube. The ... | 12/27/2005 |
| 6735584 | Accessing a database using user-defined attributes A dynamic database index and management system essentially involving a multiple of user-defined data attributes used to depict the nature and type of stored data. The user defines attributes, defines subordinate relationships between attributes and determines which ... | 05/11/2004 |
| 6505151 | Method for dividing sentences into phrases using entropy calculations of word combinations based on adjacent words The process of dividing sentences into phrases is automated. The sentence is divided into sub-sentences using statistical analysis. Then, the sub-sentences are into phrases, using statistical analysis. For example, for each pair of adjacent words in the s... | 01/07/2003 |
| 6366567 | Automatic detection of full or half duplex capability in a remote network device A first device detects whether a second device implements full duplex communication. When the first device begins receiving a network packet from the second device, the first device transmits a jam signal to the second device. When transmission of the net... | 04/02/2002 |
| 6320459 | Notch filter implemented using analog sampling A filter system includes a low pass filter, a first summer circuit, a second low pass filter and a second summer circuit. The first low pass filter includes an input, an output, a storage means, a switching means and a control means. An input signal is pl... | 11/20/2001 |
| 6294935 | Built-in-self-test circuitry for testing a phase locked loop circuit A built-in-self-test circuit aids in testing a phase locked loop circuit. The phased locked loop has a plurality of frequency multipliers. The built-in-self-test circuit includes a frequency divider and a multiplexer. The frequency divider has a plurality... | 09/25/2001 |
| 6266399 | Outgoing message selection based on caller identification and time/date constraints In order to increase the versatility with which incoming phone calls, are handled, a plurality of outgoing messages are stored. A first caller identification is associated with a first outgoing message from the plurality of outgoing messages. Upon receipt... | 07/24/2001 |
| 6260132 | Method and apparatus for secure address re-mapping An address decoder includes a plurality of address decoder modules. Each address decoder module has a select line for each of a plurality of devices. Each of a plurality of XOR combination circuits performs a logic XOR function of all select lines for a s... | 07/10/2001 |
| 6224460 | Laser interferometry endpoint detection with windowless polishing pad for chemical mechanical polishing process A multi-platen chemical-mechanical polishing system is used to polish a wafer. The wafer is polished at a first station. During polishing, an endpoint is detected. The endpoint is detected by generating optical radiation by a first light source. The first... | 05/01/2001 |
| 6211087 | Chemical wet etch removal of underlayer material after performing chemical mechanical polishing on a primary layer A primary layer deposited over a secondary layer is planarized. A chemical mechanical polishing process is performed using a slurry which targets the primary layer. Then, chemical etching is performed using a chemical wet etchant which targets the seconda... | 04/03/2001 |
| 6211045 | Incorporation of nitrogen-based gas in polysilicon gate re-oxidation to improve hot carrier performance A method is presented in which nitrogen-based gas in incorporated in polysilicon gate re-oxidation to improve hot carrier performance. A gate oxide layer is formed. Gate material is deposited on the gate oxide layer. The gate material is etched to form a ... | 04/03/2001 |
| 6208172 | System margin and core temperature monitoring of an integrated circuit A circuit monitor performance of an integrated circuit. The circuit includes a clock signal and a phase delay detection circuit. The clock signal is used by the integrated circuit to generate an output signal on an output pin of the integrated circuit. Th... | 03/27/2001 |
| 6188257 | Power-on-reset logic with secure power down capability Power-on-reset logic is included within an integrated circuit. The power-on-reset logic includes a power-on-reset cell. The power-on-reset cell causes a reset signal to be issued upon a power signal being connected to the integrated circuit. The power-on-... | 02/13/2001 |
| 6166567 | Analog sampling processor An analog sampling processor includes an analog sampling filter, a sample amplitude comparison circuit, a switch and switch control circuitry. The analog sampling filter filters a filter input signal to produce a filtered signal. The sample amplitude comp... | 12/26/2000 |
| 6150234 | Trench-diffusion corner rounding in a shallow-trench (STI) process An isolation structure on an integrated circuit is formed using a shallow trench isolation process. On a substrate, a trench is formed. A thermal anneal is performed to oxidize exposed areas of the substrate to provide for round corners at a perimeter of ... | 11/21/2000 |
| 6148365 | Dual pointer circular queue In accordance with the preferred embodiment of the present invention, a first-in-first out queue includes a buffer for storing data. A write pointer indicates a next position for data to be written into the buffer from an external interface. An input poin... | 11/14/2000 |
| 6130166 | Alternative plasma chemistry for enhanced photoresist removal A CF4 /H2 O2 plasma is used to remove residues remaining after an ashing step. On a substrate, a layer of photoresist is formed over an underlying layer. The layer of photoresist is developed to form a photoresist pattern.... | 10/10/2000 |
| 6101605 | Method and apparatus for performing a secure operation To perform a secure operation, an original encrypted value is obtained from a memory. The original encrypted value is decrypted to obtain an original value and an original validity code. The original validity code is compared with a stored validity code. ... | 08/08/2000 |
| 6091821 | Pipelined hardware implementation of a hashing algorithm A hardware implementation of a hashing algorithm is presented. In a first pipeline stage, a first memory stores input data for the hashing algorithm. Data is selected out of the first memory, for example, using a counter which is reset and incremented by ... | 07/18/2000 |
| 6080677 | Method for preventing micromasking in shallow trench isolation process etching An isolation structure on an integrated circuit is formed using a shallow trench isolation process. A layer of buffer oxide is formed on a substrate. A layer of nitride is formed on the layer of buffer oxide. The layer of nitride and the layer of buffer o... | 06/27/2000 |
| 6080608 | Polysilicon pillar heat sinks for semiconductor on insulator circuits A heat sink is formed on a bonded semiconductor on insulator (SOI) wafer. A trench is formed which extends from a top of the bonded SOI wafer through an isolation region of the bonded SOI wafer to a base of the bonded SOI wafer. The base of the bonded SOI... | 06/27/2000 |
| 6077151 | Temperature control carrier head for chemical mechanical polishing process The temperature of a wafer is controlled during a chemical mechanical polishing process. Fluid containment is provided on a wafer backing plate in contact with the wafer during the chemical mechanical polishing process. Transportation of fluid is provided... | 06/20/2000 |
| 6072360 | Analog sampling filters A low pass filter includes an input, an output, a storage means, a switching means and a control means. The input receives an input signal. An output signal is generated on the output. The storage means is a sample storage element, for example, a capacita... | 06/06/2000 |