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United States Utility Patents
5,903,440 - 5,903,449

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NumberTitle
5,903,440 Method of forming assemblies of circuit boards in different planes
5,903,441 Method and apparatus for aligning a printed circuit board with a chassis
5,903,442 Hard disk drive and hard disk apparatus having bus and its installing method
5,903,443 Interdigitated leads-over-chip lead frame, device, and method for supporting an integrated circuit die
5,903,444 Electrical junction box assembly with an electrical unit therein
5,903,445 Box carrying indicia relating to its contents and method of applying the indicia
5,903,446 Direct current voltage converter with soft switching
5,903,447 Current-mode control device and switching power supply employing same
5,903,448 Four quadrant flyback converter, method of operation thereof and power plant employing the same
5,903,449 Bi-directional power control system for voltage converter



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