Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6966348 | Purgeable container for low vapor pressure chemicals | Gildardo Vivanco, Charles Michael Birtcher | 2005-11-22 |
| 6953047 | Cabinet for chemical delivery with solvent purging | Charles Michael Birtcher, Martin Castaneda Martinez, Gil Vivanco, David Silva | 2005-10-11 |