Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237523 | Stair device | John Nixon | 2001-05-29 |
| 5233159 | Direct current welding system | — | 1993-08-03 |
| 4823910 | Boat platform ladder | — | 1989-04-25 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237523 | Stair device | John Nixon | 2001-05-29 |
| 5233159 | Direct current welding system | — | 1993-08-03 |
| 4823910 | Boat platform ladder | — | 1989-04-25 |