Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332511 | Process of sanitizing swimming pools, spas and, hot tubs | Walter A. Gay, Bonnie B. Sandel | 1994-07-26 |
| 5004682 | Method and kit for detecting live microorganisms in chlorine- or bromine-treated water | Katherine P. Roberts, Jon R. Geiger | 1991-04-02 |
| 4983511 | Method and kit for detecting live microorganisms in chlorine- or bromine-treated water | Jon R. Geiger, Katherine P. Roberts | 1991-01-08 |