Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543579 | Ladder with a floor board | — | 2003-04-08 |
| 6382353 | Slip prevention device for ladders | — | 2002-05-07 |
| 6273154 | Suction-removal apparatus for sand-blasting and liquid pressure nozzles | — | 2001-08-14 |
| 6250424 | Ladder support | — | 2001-06-26 |
| 6189653 | Multi-purpose scaffold | — | 2001-02-20 |