Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4691955 | Rigid place mat | — | 1987-09-08 |
| 4211097 | Cylinder lock assembly | Jaakko Martikainen | 1980-07-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4691955 | Rigid place mat | — | 1987-09-08 |
| 4211097 | Cylinder lock assembly | Jaakko Martikainen | 1980-07-08 |