Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8516671 | Hydraulic lip seal installation driver tool | — | 2013-08-27 |
| 7870932 | Retractable access system ladder and work machine using same | Robert A. Lapke, Eric Beaupre | 2011-01-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8516671 | Hydraulic lip seal installation driver tool | — | 2013-08-27 |
| 7870932 | Retractable access system ladder and work machine using same | Robert A. Lapke, Eric Beaupre | 2011-01-18 |