Issued Patents 2003
Showing 1–2 of 2 patents
| 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 |