Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5036882 | Valve assembly for decanter for wastewater treatment facility | Kenneth L. Norcross, Aaron Willis, James E. Augustyn | 1991-08-06 |
| 4775467 | Reactor piping with pump column | Glen R. Calltharp, Kenneth L. Norcross | 1988-10-04 |
| 4724073 | Reactor piping and flow control system | Glen R. Calltharp, Kenneth L. Norcross | 1988-02-09 |
| 4711716 | Decanting apparatus | Glen R. Calltharp, Kenneth L. Norcross | 1987-12-08 |
| 4648967 | Decanting apparatus | Glen R. Calltharp, Kenneth L. Norcross | 1987-03-10 |
| 4645592 | Reactor piping and flow control system | Glen R. Calltharp, Kenneth L. Norcross | 1987-02-24 |