Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7676990 | Positive action lock for sliding windows | William Bestler, Clark Velzke | 2010-03-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7676990 | Positive action lock for sliding windows | William Bestler, Clark Velzke | 2010-03-16 |