Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Alfred X. Xin Patents Inventor: Xin; Alfred X. Address: Cincinnati, OH No. of patents: 1 Patents: Patent Number Title Of Patent Date Issued 6429893 Security system August 6, 2002 A new security system for monitoring and recording activity within the range of a proximity detector is disclosed. The security system also enables an occupant of a house, building or other structure to communicate orally with a person who approaches a door or other threshold either       Recently Added Patents Use of a plurality of light sensors to regulate a direct-firing backlight for a display Stormwater pollution management apparatus and method of using same Combination lampshade Recapturable stent with minimum crossing profile Optical encoder device, and system including same Device writing to a plurality of rows in a memory matrix simultaneously Method for programming multi-level nitride read-only memory cells   Randomly Featured Patents Carbamate compounds for use in the treatment of pain OFDM signal communication system, OFDM signal transmitting device and OFDM signal receiving device Mobile and pervasive output server Multi-edged downhill snow skis Method and system for visual addressing Baseball or softball glove Voice mail indicator for a telephone system Method and device for monitoring electrodes of electrical heart stimulators Means for removing snow from road Counter top reverse osmosis water purification system © 2006. PatentGenius. All Rights Reserved.