Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10323307 | Process and steel alloys for manufacturing high strength steel components with superior rigidity and energy absorption | Bertram Wilhelm Ehrhardt | 2019-06-18 |
| 9790567 | Process for making coated cold-rolled dual phase steel sheet | Joseph Frimpong, Bertram Wilhelm Ehrhardt, Harald Van Bracht, Roger Dale Boggs, Stanley Wayne Bevans | 2017-10-17 |
| 9593399 | Process for making cold-rolled dual phase steel sheet | Joseph Frimpong, Bertram Wilhelm Ehrhardt, Harald Van Bracht, Roger Dale Boggs, Stanley Wayne Bevans | 2017-03-14 |
| 9580781 | Process for making cold-rolled dual phase steel sheet | Joseph Frimpong, Bertram Wilhelm Ehrhardt, Harald Van Bracht, Roger Dale Boggs, Stanley Wayne Bevans | 2017-02-28 |
| 9493864 | Line pipe steels and process of manufacturing | Bertram Wilhelm Ehrhardt, Chris John Paul Samuel, Gerald McGloin, Stanley Wayne Bevans, Markus Wilhelm Forsch +1 more | 2016-11-15 |