Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431229 | Solventless purgeable diaphragm valved manifold for low vapor pressure chemicals | Charles Michael Birtcher, Robert Sam Zorich, Gil Vivanco, Cynthia Lee Trent, David Silva | 2002-08-13 |