Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597085 | Composite, pressure-resistant drum type container | John M. Hennen | 1997-01-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597085 | Composite, pressure-resistant drum type container | John M. Hennen | 1997-01-28 |