Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078770 | Method for bending difficult bending shapes such as an S-shape in a glass sheet | Esko Lehto | 1992-01-07 |
| 5078774 | Method and apparatus for heat-strengthening glass sheets | Harri E. Peramaa | 1992-01-07 |
| 5066320 | Method for bending complex shapes on a glass sheet | Esko Lehto | 1991-11-19 |
| 5057138 | Method and apparatus for preventing the arching of glass sheets in the roller-equipped furnace of a horizontal tempering plant | Esko Lehto | 1991-10-15 |