Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669427 | Valve assembly for use with a bottle or a container | Pat K. Hasper | 1997-09-23 |
| 5402836 | Valve assembly for a bottle used in a liquid dispensing apparatus | Pat K. Hasper | 1995-04-04 |