Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7412987 | Expansion tank with valve | Jan Postma, Jan Henk Cnossen | 2008-08-19 |
| 7111653 | Expansion tank | Jan Henk Cnossen, Jan Hendrik Timmerman, Jan Postma | 2006-09-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7412987 | Expansion tank with valve | Jan Postma, Jan Henk Cnossen | 2008-08-19 |
| 7111653 | Expansion tank | Jan Henk Cnossen, Jan Hendrik Timmerman, Jan Postma | 2006-09-26 |