Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850976 | Combination sheath and foldable shield for hypodermic syringe needle | Norbert Leopoldi, Richard D. Brewer | 1989-07-25 |
| 4809141 | Illuminated paper tray | Norbert Leopoldi | 1989-02-28 |