Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4497033 | Multiplexed arrangement for connecting a plurality of transducers to a field interface device at a storage tank | Rafael Hernandez, Edmund E. Chow, Frank S. Glass | 1985-01-29 |
| 4420810 | Apparatus for operating a motor driven device and testing state of series limit switch over same two-wire circuit | Rafael Hernandez, Edmund E. Chow, Frank S. Glass | 1983-12-13 |
| 4387434 | Intelligent field interface device for fluid storage facility | Frank S. Glass, Rafael Hernandez, Edmund E. Chow | 1983-06-07 |