Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5979478 | Apparatus and method for treating water in a water supply system | Sylvia J. Screptock | 1999-11-09 |
| 5520821 | Apparatus for preventing or eliminating zebra mussel infestation of a domestic water supply | Sylvia J. Screptock | 1996-05-28 |