Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4543093 | Variable sealing pressure plunger rod assembly | — | 1985-09-24 |
| 4500310 | Variable sealing pressure plunger rod assembly | — | 1985-02-19 |
| 4441951 | Multiple sampling device having molded valve and hub | — | 1984-04-10 |
| 4295477 | Multiple sampling device having molded valve and hub | — | 1981-10-20 |