Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644039 | Delivery system for liquefied gas with maintained delivery tank pressure | Michael Franklin Hughes, Paul J. Lutes, Don Crowder | 2003-11-11 |
| 5431552 | Vane pump | James Jay Davis, James D. Gray, Michael Franklin Hughes, Ronald A. Schuller, Michael W. Spidell | 1995-07-11 |