Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578663 | Step signal | Thomas J. Schmitt | 2003-06-17 |
| 5429207 | Rung lock and latch assembly for an extension ladder | Claude R. Wallick, Jr. | 1995-07-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578663 | Step signal | Thomas J. Schmitt | 2003-06-17 |
| 5429207 | Rung lock and latch assembly for an extension ladder | Claude R. Wallick, Jr. | 1995-07-04 |