Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834706 | Process for recovering sand and bentonite clay used in a foundry | Allen James Huff | 2004-12-28 |
| 6694743 | Rotary ramjet engine with flameholder extending to running clearance at engine casing interior wall | Shawn P. Lawlor, Donald Kendrick | 2004-02-24 |