Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D346863 | Transparent patient enclosure for use with respiratory filter apparatus | — | 1994-05-10 |
| D344586 | Respiratory filter machine to reduce airborne disease transmission of a patient | — | 1994-02-22 |
| 5253641 | Respiratory filter apparatus and method | — | 1993-10-19 |
| 5233975 | Respiratory filter apparatus with patient enclosure and method | — | 1993-08-10 |