Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D616930 | Folding envelope | David Engel | 2010-06-01 |
| 5431821 | Glassy carbon in separation processes | Susan V. Olesik, Matthew R. Callstrom | 1995-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D616930 | Folding envelope | David Engel | 2010-06-01 |
| 5431821 | Glassy carbon in separation processes | Susan V. Olesik, Matthew R. Callstrom | 1995-07-11 |