Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9120138 | Forged sideways extrusion | — | 2015-09-01 |
| 7712221 | Method of cold-forming near net shape metal roller blanks for anti-friction bearings | Donald E. Krintzline | 2010-05-11 |
| 7634934 | Forged roller | Donald E. Krintzline | 2009-12-22 |
| 7377042 | Method of cold-forming near net shape metal roller blanks for anti-friction bearings | Donald E. Krintzline | 2008-05-27 |