Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576174 | Residual gas extraction process | Hermann David Hartman | 2003-06-10 |
| 6544448 | Two-part coated foam structure | — | 2003-04-08 |
| 6533974 | Method of forming a profile on a foam rod | David Hartman | 2003-03-18 |
| 6530603 | Self-covering element | — | 2003-03-11 |