Issued Patents 1997
Showing 1–1 of 1 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 | A. Nimal Liyanage, Kazuo Yokogi, Jean-Marie Friedt | 1997-10-14 |