Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629021 | Techniques for detecting ground failures in bathing installations | David J. Cline, Cindy Otto | 2003-09-30 |
| 6253121 | Control system for bathers with ground continuity and ground fault detection | David J. Cline, Cindy Otto | 2001-06-26 |