Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8840729 | Air conditioning drain cleaning system | Douglas Comeaux | 2014-09-23 |
| 6773812 | Magnetically-responsive microspheres | Don J. Chandler | 2004-08-10 |
| 6487867 | Collection pan treatment apparatus | — | 2002-12-03 |
| 6442956 | Drain tube auto-servicing apparatus | — | 2002-09-03 |