Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7870932 | Retractable access system ladder and work machine using same | Robert A. Lapke, Kurt J. Scheidenhelm | 2011-01-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7870932 | Retractable access system ladder and work machine using same | Robert A. Lapke, Kurt J. Scheidenhelm | 2011-01-18 |