Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323874 | Combination ladder and stair | Mitchell R. Warren, Grant M. Strawcutter | 1994-06-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323874 | Combination ladder and stair | Mitchell R. Warren, Grant M. Strawcutter | 1994-06-28 |