Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597863 | Device for keeping a portion of a body of water free from ice | — | 2003-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597863 | Device for keeping a portion of a body of water free from ice | — | 2003-07-22 |