Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655776 | Cylinder block casting slab core cast geometry for sawcut entrance enhancement | Ronald J. Petrus, Richard M. Nichols, III, Brian C. Leuenhagen, William A. Berry, Qigui Wang | 2023-05-23 |
| 9403209 | Methods for sand core gas evacuation and related systems and apparatus | Christopher D. Cogan, Stephen M. Fitch, Maurice G. Meyer, David D. Goettsch | 2016-08-02 |
| 7578336 | Casting mold and method for casting achieving in-mold modification of a casting metal | Kenneth Stahl, Venkatramanan Srinivasan, Edward C. Wall, Mark A. Osborne | 2009-08-25 |
| 6527040 | Casting of engine blocks | Richard Hilvers | 2003-03-04 |