Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11213703 | Tool and method for instertion of a probe for fit-testing filtering facepieces | W. John Tisch, Victor Shawn Hines | 2022-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11213703 | Tool and method for instertion of a probe for fit-testing filtering facepieces | W. John Tisch, Victor Shawn Hines | 2022-01-04 |