Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325873 | Tube placement verifier system | Richard E. Hirschi, James P. Karbowski, Ronald M. Isaac | 1994-07-05 |
| 5316024 | Tube placement verifier system | Richard E. Hirschi, James P. Karbowski, Ronald M. Isaac | 1994-05-31 |