Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186178 | Crescent shaped biopsy punch | Charles R. Yeh | 1993-02-16 |
| 5183053 | Elliptical biopsy punch | Charles R. Yeh | 1993-02-02 |
| 4674635 | Coffee filter dispenser | Janice C. Jordan | 1987-06-23 |