Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D292777 | Locking one-way closure for disposable containers | Richard A. Shillington | 1987-11-17 |
| 4702385 | Hospital in-room disposable container | Richard A. Shillington | 1987-10-27 |
| 4600112 | One-way pass-through closure | Richard A. Shillington | 1986-07-15 |
| 4502606 | Locking closure for disposable containers | Richard A. Shillington | 1985-03-05 |
| 4454944 | One way sharps receptacle | Richard A. Shillington | 1984-06-19 |