Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5383949 | Glass forehearth | Kenneth J. Paul, Steven J. Pinkerton | 1995-01-24 |
| 4680051 | Glass forehearth | John F. Blumenfeld | 1987-07-14 |
| 4552579 | Glass forehearth | John F. Blumenfeld | 1985-11-12 |