Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4246239 | Alumina production by nitric acid extraction of clay | John L. Dewey, Charles E. Scott, James Kane, Claud L. Stratton, Robert H. Spoonts | 1981-01-20 |
| 4223000 | Decomposition of aluminum nitrate | John L. Dewey, Charles E. Scott | 1980-09-16 |
| 4193842 | Method and apparatus for cleaning paper making felt | — | 1980-03-18 |
| 4191611 | Apparatus for ultrasonically cleaning paper making felt | William E. Smith, Henry L. King | 1980-03-04 |