Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8852442 | Solid chemical dissolver and methods | George S. Grabow, Donald A. Holt, Richard E. Haas | 2014-10-07 |
| 8726945 | Chemical dispensing reservoir apparatus and methods | William F. Sand | 2014-05-20 |
| 8532829 | Controller for water treatment | Thomas P. Haller, Taylor M. Goon, Stephen J. West, Philip M. McDermott, Terry Tincher | 2013-09-10 |
| D604799 | Refillable chemical reservoir | William F. Sand | 2009-11-24 |