Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10000408 | Method for heating glass sheet, and glass tempering furnace | Petri Lammi, Esa Ensio Lammi, Jukka Tapani Sääksi | 2018-06-19 |
| 9731992 | Method for heating glass sheet, and glass tempering furnace | Petri Lammi, Esa Ensio Lammi, Jukka Tapani Sääksi | 2017-08-15 |
| 9567251 | Method for heating glass sheets, and glass tempering furnace | Petri Lammi, Esa Ensio Lammi, Jukka Tapani Sääksi | 2017-02-14 |
| 9422183 | Glass tempering furnace | Petri Lammi, Esa Ensio Lammi, Jukka Tapani Sääksi | 2016-08-23 |