Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4505259 | Heat regulation system and method for building structure | Olli Pentti Petteri Seppanen, Antero Punttila | 1985-03-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4505259 | Heat regulation system and method for building structure | Olli Pentti Petteri Seppanen, Antero Punttila | 1985-03-19 |