Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5876372 | Syringe system accomodating seperate prefilled barrels for two constituents | Richard W. Grabenkort, John M. Hofstetter | 1999-03-02 | $149,029,000 |
| 5637087 | Prefilled, two-constituent syringe | John M. Hofstetter | 1997-06-10 | $33,224,000 |
| 5569193 | Syringe system accommodating separately storable prefilled containers for two constituents | John M. Hofstetter, Richard W. Grabenkort | 1996-10-29 | $50,882,000 |