Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600112 | One-way pass-through closure | Alec Oberschmidt | 1986-07-15 |
| 4502606 | Locking closure for disposable containers | Alec Oberschmidt | 1985-03-05 |
| 4454944 | One way sharps receptacle | Alec Oberschmidt | 1984-06-19 |