Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688300 | Conveying glass tubing | David L. Ashley, John Martin Dafin, Michael Heslin, Paul A. Williams | 1997-11-18 |
| 5632794 | Method and apparatus for cooling a glass pressing plunger | Zung-Sing Chang, Albert M. Gossie, Katherine Hughes, Michael Matt | 1997-05-27 |