Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5566507 | Double-hung tilting sash type window system | Melvin J. Schmidt, Thomas P. Coach, Dennis A. Galowitz, James P. Wyman, Robert Hendricks +2 more | 1996-10-22 |
| 5544450 | Double-hung tilting sash type window system | Melvin J. Schmidt, Thomas P. Coach, Dennis A. Galowitz, James P. Wyman, Robert Hendricks +2 more | 1996-08-13 |
| D360357 | Handle and cover combination | Steven G. Peterson, James B. Libby, Casey L. Carlson | 1995-07-18 |