|
| US4078462 | 22 Oct 1976 | 14 Mar 1978 | W. A. Whitney Corporation | Guard for a punch press |
| US6318223 | 28 Ene 2000 | 20 Nov 2001 | Xerox Corporation | Process and apparatus for producing an endless seamed belt |
| US6453783 | 29 Mar 2001 | 24 Sep 2002 | Xerox Corporation | Process and apparatus for producing an endless seamed belt |
| US6457392 | 7 May 2001 | 1 Oct 2002 | Xerox Corporation | Process and apparatus for producing an endless seamed belt |