Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8490526 | Processes for improving tool life and surface finish in high speed machining | — | 2013-07-23 |
| 8205530 | Processes for improving tool life and surface finish in high speed machining | — | 2012-06-26 |
| 6537395 | Process for producing gray cast iron for use in high speed machining with cubic boron nitride and silicon nitride tools | — | 2003-03-25 |
| 6395107 | Cast iron for use in high speed machining with cubic boron nitride and silicon nitride tools | — | 2002-05-28 |
| 5591007 | Multi-tier turbine airfoil | Ching-Pang Lee, George A. Durgin | 1997-01-07 |
| 4806157 | Process for producing compacted graphite iron castings | — | 1989-02-21 |
| 4227924 | Process for the production of vermicular cast iron | Debabrata Ghosh, John M. Gray, David A. Kay, Gary R. Purdy | 1980-10-14 |