Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Fredy E. Graf Patents Inventor: Graf; Fredy E. Address: San Diego, CA No. of patents: 2 Patents: Patent Number Title Of Patent Date Issued 4295051 Optical card reader October 13, 1981 An improved optical card reader is disclosed which is adapted for use with processing means for providing on-the-fly decoding of multibit data words from a card that is inserted therein. The card reader has two sets of light emitting means and two sets of light detecting means and the li 4143283 Battery backup system March 6, 1979 A battery backup system provides DC power to a data processing system in the event of an AC power failure. A preferred embodiment supplies DC power from a plurality of series-connected batteries at a voltage level sufficient to operate a data processor. After a time delay, the batteries       Recently Added Patents Generation of plants with improved drought tolerance Plasma display panel having specific rib configuration Method, system, program, and computer readable medium for providing a database for object oriented objects Summarizing nodes in route propagation in auxiliary network for P2P overlay networks Methods and systems for tracking a torsional orientation and position of an eye Flow restrictor and system for delivering a flow of liquid in a microcapillary Selective flattening of page description files to support color correction   Randomly Featured Patents Process for the preparation of copper phthylocyanine Apparatus for feeding pieces of laundry on a conveyor Method of making a fully integrated monolithic optical receiver Dry wall cutter Variable keyboard for computer terminal, or the like Current supply circuit for telephone exchange Modular base for pickup truck and method of assembly Segmented polymers and a method of producing them Fuse lock out Tracing flow of fluids © 2006. PatentGenius. All Rights Reserved.