Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1770 | Floating roof tank with sealed gauging pole | Stephen F. McJones, Richard Zelenkow | 1999-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1770 | Floating roof tank with sealed gauging pole | Stephen F. McJones, Richard Zelenkow | 1999-01-05 |