Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D312502 | Dual vent filter with vent guard for use with intravenous tubing | John M. Unger, Birendra K. Lal | 1990-11-27 |
| D312503 | Dual vent filter for use with intravenous tubing | John M. Unger, Birendra K. Lal | 1990-11-27 |
| 4919389 | Large bore tubing roller clamp | Mark A. Hoekwater, Anthony R. Paren, Richard A. Rollins | 1990-04-24 |
| D307324 | Dual vent filter for use with intravenous tubing | John M. Unger, Birendra K. Lal | 1990-04-17 |