Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D406003 | Water purification pitcher | John Tanner, David J. Emmons, Eric J. Mueller, Paul D. Rothstein, Alan Carlson | 1999-02-23 |
| D386041 | Water purification pitcher | John Tanner, David J. Emmons, Eric J. Mueller, Paul D. Rothstein, Alan Carlson | 1997-11-11 |