Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662902 | Safety ladder scaffold | — | 2003-12-16 |
| 6563814 | Method and apparatus for controlling the operation of a digital telephone switchboard | Ray Rowan, Barry O'Sullivan | 2003-05-13 |