Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6694889 | Siphon drainpipe system and method for a railway tank car | Stephen W. Smith | 2004-02-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6694889 | Siphon drainpipe system and method for a railway tank car | Stephen W. Smith | 2004-02-24 |