|
| US4315050 | 25 Ene 1980 | 9 Feb 1982 | Norfield Corporation | Laminates structure of an expanded core panel and a flat sheet of material which does not easily bond and a process for making the same |
| US4653179 | 31 Jul 1985 | 31 Mar 1987 | Marquardt GmbH | Method of manufacturing an electrical push-button switch |
| US6837643 | 26 Ene 2001 | 4 Ene 2005 | | Rod coupling |
| US7497917 | 22 Ago 2006 | 3 Mar 2009 | GM Global Technology Operations, Inc. | Friction heating for joining dissimilar materials |
| US7695656 | 22 Ago 2008 | 13 Abr 2010 | GM Global Technology Operations, Inc. | Friction heating for joining dissimilar materials |
| US7955459 | 22 Ago 2008 | 7 Jun 2011 | GM Global Technology Operations LLC | Friction heating for joining dissimilar materials |
| USRE32747 | 25 Jun 1986 | 13 Sep 1988 | Braun Aktiengesellschaft | Synthetic-resin and metallic layered housing for hand-held appliance |