Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330813 | Patch for preventing carburization, nitriding or oxidation, and method of preventing carburization, nitriding or oxidation | Kouichi Hirooka, Susumu Tanabe | 1994-07-19 |