|
| US4121324 | 15 Jun 1977 | 24 Oct 1978 | | Fastening device |
| US4416040 | 29 May 1981 | 22 Nov 1983 | John Alan Enterprises | Weaving loom with interchangeable sections |
| US4589308 | 4 Mar 1985 | 20 May 1986 | | Socket wrench extension |
| US4594011 | 15 Dec 1983 | 10 Jun 1986 | Seikosha Co., Ltd. | Ink cartridge changeover device in an ink ribbon cassette for a printer |
| US4605023 | 10 Sep 1984 | 12 Aug 1986 | | Hairstyling brush and a method for handling hairstyling brushes |
| US4705052 | 12 May 1986 | 10 Nov 1987 | | Hairstyling brush and a method for handling hairstyling brushes |
| US4780924 | 20 Oct 1987 | 1 Nov 1988 | | Tooth brush with removable brush head |
| US4802262 | 10 Aug 1987 | 7 Feb 1989 | Yoshida Kogyo K. K. | Buckle assembly |
| US5010615 | 28 Jul 1989 | 30 Apr 1991 | | Hand-holdable tool having a detachable handle |
| US5622444 | 1 Jun 1995 | 22 Apr 1997 | Krupp Kautex Maschinenbau GmbH | Connecting arrangement |
| US5673452 | 12 Aug 1996 | 7 Oct 1997 | | Toothbrush |
| US5875510 | 20 May 1997 | 2 Mar 1999 | Chesebrough-Pond's USA Co., Division of Conopco, Inc. | Replaceable head toothbrush |
| US5974614 | 2 Mar 1998 | 2 Nov 1999 | | Triple brush gum blaster |
| US6145152 | 22 Jan 1999 | 14 Nov 2000 | | Replaceable head toothbrush construction |
| US6546585 | 6 Jul 1999 | 15 Apr 2003 | The Procter & Gamble Company | Toothbrush with detachable/replaceable head |
| US6836917 | 7 May 2001 | 4 Jan 2005 | The Procter & Gamble Company | Replaceable head electric toothbrush and connection structure therefor |
| US6968590 | 17 May 2001 | 29 Nov 2005 | Ponzini S.p.A. | Disassemblable toothbrush with positive blocking |
| US7234671 | 14 Feb 2005 | 26 Jun 2007 | Emerald Innovations, Inc. | Adjustable hangers |
| US7311023 | 13 Jul 2006 | 25 Dec 2007 | Ponzini S.p.A. | Replaceable-head dental care tool with improved engagement thereof |
| US7775010 | 23 Jan 2008 | 17 Aug 2010 | Dayton Superior Corporation | Slab bolster coupling |
| USRE37190 | 4 Dec 1992 | 29 May 2001 | General Housewares Corp. | Universal handle for hand-held implement |
