Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627138 | Cupola slag cement mixture and methods of making and using the same | Willie Stroup, Randy Stroup | 2003-09-30 |
| 6521039 | Cupola slag cement mixture and methods of making and using the same | Willie Stroup, Randy Stroup | 2003-02-18 |