Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10021842 | Irrigation controllers with enhanced alternating current switching devices | Angel Reyes Archundia | 2018-07-17 |
| 7334595 | Cabinet for chemical delivery with solvent purging and removal | Charles Michael Birtcher, Thomas Andrew Steidl, Gil Vivanco, David Silva | 2008-02-26 |
| 6953047 | Cabinet for chemical delivery with solvent purging | Charles Michael Birtcher, Thomas Andrew Steidl, Gil Vivanco, David Silva | 2005-10-11 |
| 6648034 | Purgeable manifold for low vapor pressure chemicals containers | Charles Michael Birtcher, Thomas Andrew Steidl, Gil Vivanco, David Silva | 2003-11-18 |
| 6264064 | Chemical delivery system with ultrasonic fluid sensors | Charles Michael Birtcher, Thomas Andrew Steidl, Jamshid Jay Hamidi | 2001-07-24 |