Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259076 | Winterizing device for inground swimming pools | Wayne H. Steinfieldt, H. Dermot Sweeny | 1993-11-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259076 | Winterizing device for inground swimming pools | Wayne H. Steinfieldt, H. Dermot Sweeny | 1993-11-09 |