Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862573 | Medical sampling needle removal and disposal device | Ross J. Kelson | 1989-09-05 |
| 4807344 | Medical sampling needle removal and disposal device | Ross J. Kelson, Allan F. Martin | 1989-02-28 |