Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8715403 | Multi-stage pre-treatment method for metal components having zinc and iron surfaces | Jan-Willem Brouwer, Frank-Oliver Pilarek, Jens Krömer, William E. Fristad | 2014-05-06 |