Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6254894 | Silver self-regulating water purification compositions and methods | Raymond P. Denkewicz, Jr., Mark A. Bollinger, Joseph W. Grenier, Therese R. Souza | 2001-07-03 |
| 6165358 | Water purifier for a spa | Raymond P. Denkewicz, Jr., Mark A. Bollinger | 2000-12-26 |
| 6019893 | Water purifier for a spa | Raymond P. Denkewicz, Jr., Mark A. Bollinger | 2000-02-01 |
| 5935609 | Self-regulating water purification composition | Raymond P. Denkewicz, Jr., Mark A. Bollinger | 1999-08-10 |
| 5858246 | Method of water purification with oxides of chlorine | Joseph W. Grenier, Raymond P. Denkewicz, Jr. | 1999-01-12 |
| 5779913 | Water purifier for a spa | Raymond P. Denkewicz, Jr., Mark A. Bollinger | 1998-07-14 |
| 5772896 | Self-regulating water purification composition | Raymond P. Denkewicz, Jr., Mark A. Bollinger | 1998-06-30 |