Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807641 | Pneumotach and components therefore and combined pulmonary function measuring kit containing the same | Jay B. Nelson, John Karpowicz | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807641 | Pneumotach and components therefore and combined pulmonary function measuring kit containing the same | Jay B. Nelson, John Karpowicz | 1989-02-28 |