Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017325 | Disposable syringe with automatically retractable hypodermic needle | Daniel Alberto Yerfino | 2000-01-25 |
| 5993417 | Disposable syringe with an automatically retractable hypodermic needle | Daniel Alberto Yerfino | 1999-11-30 |
| 5968016 | Retractable hypodermic needle for disposable tubing guide | Daniel Alberto Yerfino | 1999-10-19 |