Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309020 | Patchless replacement refractory insert for base member (stool) with mechanical anchoring | John T. Cruell | 1982-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309020 | Patchless replacement refractory insert for base member (stool) with mechanical anchoring | John T. Cruell | 1982-01-05 |