Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865602 | Gamma irradiation of collagen/mineral mixtures | Thomas L. Smestad, Daniel Prows, George H. Chu | 1989-09-12 |
| 4795467 | Xenogeneic collagen/mineral preparations in bone repair | Karl A. Piez, Bruce B. Pharriss, George H. Chu, Thomas L. Smestad | 1989-01-03 |