Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8579870 | Sealing valve assembly for medical products | Allan F. Willis, Donald J. McMichael | 2013-11-12 |
| 6908449 | Sealing valve assembly for medical products | Allan F. Willis | 2005-06-21 |
| 6767340 | Sealing valve assembly for medical products | Allan F. Willis | 2004-07-27 |