公开/公告号US6994169B2
专利类型
公开/公告日2006-02-07
原文格式PDF
申请/专利权人 ETUAN ZHANG;ILYA EMIL BERCHENKO;ERIC PIERRE DE ROUFFIGNAC;THOMAS DAVID FOWLER;KEVIN ALBERT MAHER;ROBERT CHARLES RYAN;GORDON THOMAS SHAHIN JR.;GEORGE LEO STEGEMEIER;HAROLD J. VINEGAR;SCOTT LEE WELLINGTON;
申请/专利号US20020131122
发明设计人 SCOTT LEE WELLINGTON;GORDON THOMAS SHAHIN JR.;HAROLD J. VINEGAR;THOMAS DAVID FOWLER;ETUAN ZHANG;ERIC PIERRE DE ROUFFIGNAC;ROBERT CHARLES RYAN;ILYA EMIL BERCHENKO;GEORGE LEO STEGEMEIER;KEVIN ALBERT MAHER;
申请日2002-04-24
分类号E21B43/24;
国家 US
入库时间 2022-08-21 21:40:51