Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341208 | Moisture-retentive covering for ointment application | — | 1982-07-27 |
| 4332369 | Adjustable in-line intravenous valve with locking mechanism | Joseph Lichtenstein | 1982-06-01 |
| 4324236 | Fitting for use in performing a vascular puncture | Joseph Lichtenstein | 1982-04-13 |
| 4324239 | Safety valve for preventing air embolism and hemorrhage | Joseph Lichtenstein | 1982-04-13 |