Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996422 | Buck air sampling pump flow control algorithm | Michael Buck, Timothy R. Geis | 1999-12-07 |
| 5107713 | Air sampling pump | Richard W. Peck, Timothy L. Nash, Roger Henwood Motten, Jr. | 1992-04-28 |
| 4860590 | Primary standard gas flow calibrator | — | 1989-08-29 |