Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515614 | Electrically heated forehearth and method of controlling molten glass temperature therein | Marvin L. Barkhau, Philip D. Perry, James E. Sherman | 1985-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515614 | Electrically heated forehearth and method of controlling molten glass temperature therein | Marvin L. Barkhau, Philip D. Perry, James E. Sherman | 1985-05-07 |