Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019253 | Bag and box valve system | David Frederick Gillard, Dennis L. Hart | 2000-02-01 |
| 5944300 | Bag and box valve system | David Frederick Gillard, Dennis L. Hart | 1999-08-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019253 | Bag and box valve system | David Frederick Gillard, Dennis L. Hart | 2000-02-01 |
| 5944300 | Bag and box valve system | David Frederick Gillard, Dennis L. Hart | 1999-08-31 |