| 2707953 | Transfusion equipment | 1955-05-10 | ||
| 2689564 | Blood donor assembly | 1954-09-21 | ||
| 2689563 | Donor set | 1954-09-21 | ||
| 2605767 | Hypodermic syringe | 1952-08-05 | ||
| 2583743 | Hypodermic syringe | 1952-01-29 | ||
| 2366424 | Tubing and needle holder | 1945-01-02 | ||
| 2326490 | Fluid dispenser | 1943-08-10 | ||
| 1975360 | Holder for hypodermic needles | 1934-10-02 | ||
| 1965151 | Insulator for connecting clips | 1934-07-03 |