Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9534395 | Staircase element and method for building a staircase | — | 2017-01-03 |
| 6382828 | Apparatus for turning and/or mixing a flat bed compost | Markku Haukioja, Paavo Malkiainen, Osmo Haaslahti | 2002-05-07 |