The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7222634 | Scent elimination system for hunters A hunting blind, a blind support, and a filtration unit for use on a tree with or without a tree stand. The blind support preferably includes a bracket for mounting to the tree and a foldable frame for mounting to the bracket. The blind preferably sealingly mounts t... | 05/29/2007 |
| 7194955 | Printing press ink fountain adjustment system An ink fountain assembly for a printing press has, or can be retrofitted with, a removable template and ink blade adjustment screws having pointer-like knobs. When the template is installed on the assembly, the knobs point to scales printed on the template. ... | 03/27/2007 |
| 7158582 | Digital I/Q modulator having a predistortion An I/Q modulator processes a time-discrete I/Q signal comprising an I component and a Q component. The I/Q signal is based on a sampling frequency which is equal to four times a carrier frequency of a carrier signal onto which the I/Q signal is modulated. A predisto... | 01/02/2007 |
| 7138790 | Control device for controlling a charging switch in a switching regulator and method for controlling a charging switch A control device for controlling a charging switch in a switching regulator with an inductance, a filter capacitance and a diode comprises a clock generator for providing an operating clock, an output voltage detection means and an inductance current detection means... | 11/21/2006 |
| 7139707 | Method and system for real-time speech recognition Method and system for real-time speech recognition is provided. The speech algorithm runs on a platform having an input-output processor and a plurality of processor units. The processor units operate substantially in parallel or sequentially to perform feature extr... | 11/21/2006 |
| 7139478 | Nonlinear device comprising a spectrally broadening fiber Embodiments of the invention include system for monitoring the effectiveness of pulse shaping in a nonlinear optical fiber (40). The spectral content of the pulse, after passing through the nonlinear fiber (40), provides an indication of how effectivel... | 11/21/2006 |
| 7118540 | Method for use in orthodontics for accelerating tooth movement when treating patients for malocclusion A method for accelerating orthodontic treatment of malocclusion by noninvasively altering a condition of bone in a patient's jaw so that teeth held in generally fixed positions in the bone are able to be relatively easily and rapidly repositioned using orthodontic a... | 10/10/2006 |
| 7120584 | Method and system for real time audio synthesis A method and system for synthesizing audio speech is provided. A synthesis engine receives from a host, compressed and normalized speech units and prosodic information. The synthesis engine decompresses data and synthesizes audio signals. The synthesis engine can be... | 10/10/2006 |
| 7110554 | Sub-band adaptive signal processing in an oversampled filterbank An adaptive signal processing system for improving a quality of a signal. The system includes an analysis filterbank for transforming a primary information signal in time domain into oversampled sub-band primary signals in frequency domain and an analysis filterbank... | 09/19/2006 |
| 7106503 | High-resolution optical microscope A direct-view optical microscope system is provided which uses high-energy light from a phenomenon known as non-resonant Raman scattering to illuminate a living biological specimen. One embodiment of the system combines two discrete light sources to form a combined ... | 09/12/2006 |
| 7085360 | System and method for auditing billing records in a telecommunications system A system and method for auditing billing records in a telecommunications system. The method retrieves first data records from an origination device and second data records from a billing generation device; retrieves billing records from a billing device; compares th... | 08/01/2006 |
| 7065913 | Muzzle-loading firearm with pivoting block action A muzzle-loading firearm having a barrel and a pivoting firing mechanism. The barrel has a breech plug, a pivoting junction axle. and a blocking axle, and the firing mechanism has a trigger, hammer, striker and notch. The firing mechanism is pivotally attached to th... | 06/27/2006 |
| D522182 | Pet bed | 05/30/2006 |
| 7052172 | Combination low-shear mixer and high-shear homogenizer A combination fin-type mixer and rotor/stator-type homogenizer provides the ability to perform low-shear mixing or high-shear homogenizing by a single device without changing attachments or hardware. The low-shear mixing fins extend outwardly from the stator of the ... | 05/30/2006 |
| 7044679 | Optical illusion speed bump and method of using the same A speed control method and device. A speed bump is optically simulated on a roadway as by painting the roadway to create the appearance of a real speed bump, or an actual speed bump is visually enhanced to appear larger than it actually is. Actual speed bumps can be... | 05/16/2006 |