Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894400 | Method and apparatus for clamping a substrate | Andrew J. Graven, Kenneth A. McCuen, Yunju Ra | 1999-04-13 |
| 5566507 | Double-hung tilting sash type window system | Thomas P. Coach, Glenn C. Hause, Dennis A. Galowitz, James P. Wyman, Robert Hendricks +2 more | 1996-10-22 |
| 5544450 | Double-hung tilting sash type window system | Thomas P. Coach, Glenn C. Hause, Dennis A. Galowitz, James P. Wyman, Robert Hendricks +2 more | 1996-08-13 |
| 5301467 | Locking slide block | Gary J. Marshik | 1994-04-12 |
| 5243783 | Locking slide block | Lawrence J. Ver Steeg | 1993-09-14 |