Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Apparatus for changing a sound field Image Number 13 for United States Patent #5023913. An apparatus for changing a sound field, comprising at least two signal processing means, which can smoothly and continuously switch a sound field into an arbitrary sound field without a break of signals by alternately switching one of the signal processing means into the other.       Recently Added Patents Dishwasher door and compartment Multi-chip semiconductor devices having non-volatile memory devices therein Automated essay scoring Method and device for automated palletizing of packages to form stable stacks Crime reporting in a controlled-environment facility 4-(trichloromethylthio) anilines, method for production thereof, and method for producing 4-(trifluoromethylthio) anilines Fabric-earing outsoles, shoes bearing such outsoles and related methods   Randomly Featured Patents Coumarin-labeled nucleoside 5'-triphosphates Muting conference call hold music 600-Amp hot stick-operable pin-and-socket assembled connector system Elliptical coffee table Nitric acid process for production of adipic acid from hydrocarbons Clock diagnostics Advanced characterization of contrast agents with ultrasound Front cover for a handset Typewriting ribbon with adhesively correctable print Sandwich decruster © 2006-2008 PatentGenius. All Rights Reserved.