Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372633 | Method of reducing the lead and/or barium emission of crystal glass objects containing lead and/or barium on contact with a liquid phase | — | 1994-12-13 |
| 4555304 | Method of polishing glass articles in an acid bath | — | 1985-11-26 |
| 4332649 | Method of polishing glass ware with sulfuric acid and hydrofluoric acid | — | 1982-06-01 |