Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886072 | Multiple sample needle assembly with vein indicator | Andrzej J. Plucinski | 1989-12-12 |
| 4465200 | Low contamination closure for blood collection tubes | — | 1984-08-14 |
| D272856 | Stopper for test tubes and the like | — | 1984-02-28 |
| 4421123 | Multiple sample needle valve | — | 1983-12-20 |
| 4338764 | Closure inserting method | — | 1982-07-13 |
| 4317456 | Multiple sample needle with anti-backflow valve | — | 1982-03-02 |
| 4301936 | Cannula pierceable self-sealing closure | — | 1981-11-24 |
| 4295572 | Cannula pierceable self-sealing closure | — | 1981-10-20 |
| 4293078 | Vacuum indicator closure for a blood collection tube | William J. Holderith | 1981-10-06 |
| 4290534 | Cannula pierceable self-sealing closure | — | 1981-09-22 |
| 4226333 | Cannula pierceable self-sealing closure | — | 1980-10-07 |
| 4212308 | Parallel-flow one-way blood sampling device | — | 1980-07-15 |
| 4187952 | Cannula pierceable, self-sealing closure | — | 1980-02-12 |
| 4186840 | Cannulapierceable, self-sealing closure | — | 1980-02-05 |