Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460654 | Collapsible ladder having highly nesting rungs with integral stand-off projections | Aldo Dibelardino, Andrew D. Ive | 2002-10-08 |
| 6334510 | Collapsible ladder having highly nesting rungs with integral stand-off projections | Aldo Dibelardino, Andrew D. Ive | 2002-01-01 |
| 6279681 | Collapsible ladder having highly nesting rungs with integral stand-off projections | Aldo Dibelardino, Andrew D. Ive | 2001-08-28 |