Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302291 | Sharp medical instrument disposable container | Thomas W. Heubel, Daniel Richard L. Brown | 1989-07-18 |
| 4809850 | Self-closing sharps container with hand protection | Daniel Richard L. Brown | 1989-03-07 |