Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816056 | Heating and agitating method for multi-stage melting and refining of glass | Yih-Wan Tsai | 1989-03-28 |
| 4746347 | Patterned float glass method | — | 1988-05-24 |
| 4741749 | Vertical delivery arrangement for float glass process | Gerald E. Kunkle | 1988-05-03 |
| 4395272 | Pressure sizing of float glass | Gerald E. Kunkle, Joseph A. Gulotta | 1983-07-26 |
| 4322236 | Float glass forming chamber having low profile roof | — | 1982-03-30 |
| 4319908 | Float glass forming chamber with a flat slab roof | — | 1982-03-16 |
| 4299612 | Apparatus and method for attenuating float glass | — | 1981-11-10 |
| 4243402 | Apparatus for measuring temperatures in molten metal | — | 1981-01-06 |