Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576174 | Residual gas extraction process | Steven Hartman | 2003-06-10 |
| 5897409 | Floatable lounger with rotating headrest | Steven Hartman | 1999-04-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576174 | Residual gas extraction process | Steven Hartman | 2003-06-10 |
| 5897409 | Floatable lounger with rotating headrest | Steven Hartman | 1999-04-27 |