Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5427631 | Prosthetic articles made of surface conversion nitrided titanium or titanium alloys | Erik Johansson | 1995-06-27 |
| 5320686 | Method of producing integral, hard nitride layer on titanium/titanium alloy | Erik Johansson | 1994-06-14 |