Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220389 | Folding ladder | — | 2001-04-24 |
| 5988318 | Connection hook | — | 1999-11-23 |
| 5924523 | Adjustable ladder | — | 1999-07-20 |
| 5860489 | Travelling scaffolding | — | 1999-01-19 |
| 5358069 | Stepboard for ladders | — | 1994-10-25 |
| 5142802 | Support for an appliance, namely an iron | — | 1992-09-01 |
| 5074377 | Jointed ladder | — | 1991-12-24 |
| 4972923 | Ladder platform | — | 1990-11-27 |
| 4947960 | Connecting element | — | 1990-08-14 |