Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685860 | Self-capping needle assembly | Joseph J. Chang | 1997-11-11 |
| 5683365 | Tip protection device | Herbert R. Brown, Joseph J. Chang, Mark Panzera, David L. Bogert, Gerald J. Kovalic | 1997-11-04 |