|
| US4085819 | 6 May 1977 | 25 Apr 1978 | | Platform attachment for a ladder |
| US4211307 | 5 Mar 1979 | 8 Jul 1980 | | Removable step or shelf for ladder |
| US4496025 | 16 May 1983 | 29 Jan 1985 | | Foot support for ladder |
| US4533018 | 7 Jul 1983 | 6 Aug 1985 | | Ladder support |
| US4646878 | 27 Jun 1986 | 3 Mar 1987 | | Portable ladder step |
| US4696373 | 25 Jul 1986 | 29 Sep 1987 | | Two-position ladder platform |
| US4974803 | 10 May 1989 | 4 Dec 1990 | | Receptacle holder |
| US5092487 | 28 Mar 1991 | 3 Mar 1992 | | Receptacle, holder therefor and combination thereof |
| US6637548 | 30 Apr 2002 | 28 Oct 2003 | | Personal stand and method of using a personal stand |
