Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6321570 | Method and apparatus for tempering and bending glass | Martin de Vries, Donald L. Bareman, Mervin Dirkse, Niels A. Olesen | 2001-11-27 |
| 5938810 | Apparatus for tempering and bending glass | Marrin De Vries, Jr., Donald L. Bareman, Mervin Dirkse, Niels A. Olesen | 1999-08-17 |
| 5857358 | Method and apparatus for bending glass | Martin de Vries, Donald L. Bareman, Mervin Dirkse, Niels A. Olesen | 1999-01-12 |