Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581458 | Precalibrated flow meter with airflow compensator | John E. Hathaway, Stephen Lund, Kraig J. Schlosser, John D. Buskirk | 2003-06-24 |
| 6474132 | Precalibrated flow meter | John E. Hathaway, Stephen Lund, Kraig J. Schlosser, John D. Buskirk | 2002-11-05 |