Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290751 | Blast furnace stove | John Fischley, Harry L. Anderson, EDWARD SPIRKO | 1981-09-22 |
| 4235593 | Blast stove | — | 1980-11-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290751 | Blast furnace stove | John Fischley, Harry L. Anderson, EDWARD SPIRKO | 1981-09-22 |
| 4235593 | Blast stove | — | 1980-11-25 |