Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326384 | Method for cooling blocks of hot porous material | John B. Gray | 1982-04-27 |
| 4324107 | Method of and apparatus for cooling blocks of hot porous material | John B. Gray | 1982-04-13 |