Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978553 | Right angle measuring device | — | 2005-12-27 |
| 4658804 | Movable hearth boiler with internal combustion and adjustable draught | Arja Pynnonen, Daniel Pontoizeau | 1987-04-21 |