Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352308 | Method of cutting cast iron with Si.sub.3 N.sub.4 composite cutting tool material | Krishnamoorthy Subramanian, Andre Ezis, David Moskowitz | 1982-10-05 |
| 4323325 | ethod of using Si.sub.3 N.sub.4.Y.sub.2 O.sub.3.SiO.sub.2 ceramic system for machine cast iron | Krishnamoorthy Subramanian, Andre Ezis | 1982-04-06 |