Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649567 | Sealing arrangement, for use with, and in combination with, a steam and fuel oil control and furge valve, and a valve seat therefor | Ronald G. Butler, John R. Lehman, Roy D. Miller | 1997-07-22 |