Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613446 | Railway hopper car gate valve and operating assembly | Michael W. DiLuigi, Raymond R. Lund | 1997-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613446 | Railway hopper car gate valve and operating assembly | Michael W. DiLuigi, Raymond R. Lund | 1997-03-25 |