Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7427221 | Method of and apparatus for aerating bodies of water | John Blumenthal | 2008-09-23 |
| 7150239 | Method for aerating bodies of water | John Blumenthal | 2006-12-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7427221 | Method of and apparatus for aerating bodies of water | John Blumenthal | 2008-09-23 |
| 7150239 | Method for aerating bodies of water | John Blumenthal | 2006-12-19 |