Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7399038 | Mortar buggy with stake bed assembly | Francis W. Wenzel | 2008-07-15 |
| 7201453 | Mortar buggy with stake bed assembly | Francis W. Wenzel | 2007-04-10 |
| 6739798 | Quick adjustment mechanism for blade pitch of concrete power trowel | Kim Sherman | 2004-05-25 |