|
| US4425985 | 16 Feb 1982 | 17 Jan 1984 | | Ladder platform |
| US4586586 | 13 Aug 1985 | 6 May 1986 | | Work-step for extension ladder |
| US4696373 | 25 Jul 1986 | 29 Sep 1987 | | Two-position ladder platform |
| US4909351 | 17 Jul 1989 | 20 Mar 1990 | | Platform attachment for a ladder |
| US5842253 | 26 Nov 1996 | 1 Dec 1998 | | Ladder supported holding tray for a paint roller |
| US6109392 | 9 Sep 1999 | 29 Aug 2000 | | Split platform ladder stand |
| US8201661 | 5 Mar 2010 | 19 Jun 2012 | | Platform for extension ladder |
