Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367965 | Casing for lipstick or ball point pen refills | Francois X. Speitel | 1983-01-11 |
| 4266682 | Stopping device for a threaded neck container | Francois X. Speitel | 1981-05-12 |