Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4450891 | Method of and apparatus for continuous casting using an auxiliary graphite chill roll | Hsin L. Li, Dulari L. Sawheny | 1984-05-29 |
| 4202765 | Hydroxylamine purification via cation exchange | Fred W. Koff, Allen A. Tunick, Stylianos Sifniades | 1980-05-13 |