|
| US5142829 | 31 Jan 1992 | 1 Sep 1992 | Minnesota Minning and Manufacturing Company | Abrasive article |
| US5197998 | 15 Jun 1992 | 30 Mar 1993 | Minnesota Mining and Manufacturing Company | Method of making a folded abrasive article |
| US5851142 | 26 Mar 1997 | 22 Dec 1998 | Unisand Incorporated | Combined grinding and polishing tool |
| US6595842 | 7 Jun 2001 | 22 Jul 2003 | | Abrasive pad and method of making same |
| USD351773 | 27 Sep 1993 | 25 Oct 1994 | Minnesota Mining and Manufacturing Company | Abrasive sheet with die-cut pattern |
