Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451757 | Concrete cutter | Frederick A. Ketterhagen, Kevin F. Ketterhagen, Anthony Mertes | 2008-11-18 |
| D469995 | Transparent locker door | Virginia J Barger | 2003-02-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451757 | Concrete cutter | Frederick A. Ketterhagen, Kevin F. Ketterhagen, Anthony Mertes | 2008-11-18 |
| D469995 | Transparent locker door | Virginia J Barger | 2003-02-11 |