Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677480 | Method and system for assessing the operating condition of a pressure regulator in a corrosive gas distribution system | Eiichi Ozawa, Kazuo Yokogi, Jean-Marie Friedt | 1997-10-14 |
| 5299731 | Corrosion resistant welding of stainless steel | Henri Chevrel, Alain Boireau, Jean-Marie Friedt | 1994-04-05 |