Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199905 | Blast head rigging apparatus for tank side cleaning | Harvey G. Van Fossen | 1980-04-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199905 | Blast head rigging apparatus for tank side cleaning | Harvey G. Van Fossen | 1980-04-29 |