Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6044843 | Moisture resistant airway adapter for monitoring constituent gases | Michael P. O'Neil, Ross Flewelling | 2000-04-04 |
| 5445160 | Portable carbon dioxide monitor | Ross Flewelling, John M. Farbarik, Charles E. Stuart, James M. Davenport | 1995-08-29 |
| 5231591 | Agent gas analyzer and method of use | Ross Flewelling, Eric T. Johansson, Lucille A. Ferus, Keith H. Breton | 1993-07-27 |
| 5046018 | Agent gas analyzer and method of use | Ross Flewelling, Eric T. Johansson, Lucille A. Ferus, Keith H. Breton | 1991-09-03 |