Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925241 | Floor drain odor control device | William J. Aldridge, Darcy A. Kadilak | 1999-07-20 |
| 5843381 | Apparatus for removal of hydrogen sulfide | William D. Bland | 1998-12-01 |
| 5350513 | Flexible-walled absorber | — | 1994-09-27 |