Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349375 | Deformable vacuum mold for shaping glass sheets | John D. Kellar | 1982-09-14 |
| 4325723 | Transferring rigid sheets from one conveyor to another | John D. Kellar | 1982-04-20 |
| 4311503 | Method of controlling temperature of glass exiting furnaces | John D. Kellar | 1982-01-19 |