Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D314435 | Dual vent filter for use with intravenous tubing | Birendra K. Lal, Thomas P. Kasting | 1991-02-05 |
| D312695 | Dual vent filter for use with intravenous tubing | Birendra K. Lal, Thomas P. Kasting | 1990-12-04 |
| D312502 | Dual vent filter with vent guard for use with intravenous tubing | Birendra K. Lal, Thomas P. Kasting | 1990-11-27 |
| D312503 | Dual vent filter for use with intravenous tubing | Birendra K. Lal, Thomas P. Kasting | 1990-11-27 |
| D307324 | Dual vent filter for use with intravenous tubing | Birendra K. Lal, Thomas P. Kasting | 1990-04-17 |
| 4303601 | Ventilator humidifier | Daniel Grimm, Robert A. Virag | 1981-12-01 |