Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6840011 | Window panel balance apparatus and method | Roy A. Thompson, Douglas W. Kroncke, John C. Costello, David Chastain, Jack D. Gundlach +8 more | 2005-01-11 |
| 6161881 | Casement lock | Brian John Babka, Dave R. Bogenhagen, Todd W. Bruchu, James R. Harger, Thomas Michael Wright | 2000-12-19 |