Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11026597 | Apparatus and methods for calibrating and/or validating pulmonary function test equipment | John Francis Higgins, Jr. | 2021-06-08 |
| 10206608 | Apparatus and methods for calibrating and/or validating pulmonary function test equipment | John Francis Higgins, Jr. | 2019-02-19 |
| 9186090 | Method and system for DLCO quality control testing | Edmond Chu, William C. Wallace | 2015-11-17 |
| 5539602 | Ground fault interrupter | Alan R. Schmitz, David J. Farrell, Robert R. Podowski | 1996-07-23 |