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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US396439511 Oct 197222 Jun 1976Gebruder Junghans GmbHElectrical primer for projectiles
US432418222 Ene 197913 Abr 1982Imperial Chemical Industries LimitedApparatus and method for selectively activating plural electrical loads at predetermined relative times
US44098971 Oct 198118 Oct 1983Imperial Chemical Industries, Ltd.Apparatus & method for selectively activating plural electrical loads at predetermined relative times
US44199331 Oct 198113 Dic 1983Imperial Chemical Industries LimitedApparatus and method for selectively activating plural electrical loads at predetermined relative times
US44960102 Jul 198229 Ene 1985Schlumberger Technology CorporationSingle-wire selective performation system
US45276362 Jul 19829 Jul 1985Schlumberger Technology CorporationSingle-wire selective perforation system having firing safeguards
US46415806 May 198510 Feb 1987Marutamaya Ogatsu Fireworks Co., Ltd.Circuit apparatus for operating fireworks ignition
USRE328885 Feb 198814 Mar 1989Imperial Chemical Industries PLCApparatus and method for selectively activating plural electrical loads at predetermined relative times
USRE3300425 Oct 19881 Ago 1989Imperial Chemical Industries PLCApparatus and method for selectively activating plural electrical loads at predetermined relative times