Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6227008 | Apparatus for vacuum impulse forming of heated glass sheets | Donivan M. Shetterly | 2001-05-08 |
| 5376158 | Method for vacuum impulse forming of heated glass sheets | Donivan M. Shetterly | 1994-12-27 |
| 5096480 | Apparatus for radiatively cooling glass sheets | Donivan M. Shetterly | 1992-03-17 |
| 5086907 | Glass sheet transferring device | David B. Nitschke | 1992-02-11 |