Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Industrial Patent Development Corporation Patents Assignee: Industrial Patent Development Corporation Address: Philadelphia, PA No. of patents: 1 Patents: Patent Number Title Of Patent Date Issued 3948522 Projectile simulation April 6, 1976 The aimed launching of projectiles is simulated by means of an electroacoustic transducer which is energized to emit a beam of sound waves, preferably at ultrasonic frequency. A cooperating target also employs an electroacoustic transducer and apparatus for indicating reception of th       Recently Added Patents Telecommunications test plugs having tuned near end crosstalk Magnetoresistive head and manufacturing method thereof Secure message forwarding system detecting user's preferences including security preferences Vehicle sliding door opening and closing apparatus Leak diagnosis system and leak diagnosis method Methods and systems for reducing substance-induced renal damage Portable phone   Randomly Featured Patents Apparatus for reducing volume and surface defects in silica optical-fibres Electronic apparatus test circuit Process for obtaining para-cresol and meta-cresol from a mixture of methylated and ethylated phenols characterized by urea clathration of metal-cresol Copolymer for cosmetics Trimmer head for use in flexible line rotary trimmers Ink jet recording head cartridge Efficient implementation of reed-solomon erasure resilient codes in high-rate applications Processes for fabricating printed wiring boards using dendritic polymer copper nanocomposite coatings Vehicle interior cargo area liner Remote summoning of elevators © 2006. PatentGenius. All Rights Reserved.