Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824589 | Materials and methods for the purification of inert, nonreactive, and reactive gases | Dan Fraenkel, Robert Torres, Jr. | 2004-11-30 |
| 6733734 | Materials and methods for the purification of hydride gases | Dan Fraenkel | 2004-05-11 |