Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6033468 | Interground white blended cement | Patrick M. Hill, Frank T. Sheets, III, Richard F. Ball, Joseph R. Sisneros, Jesus Uribe +1 more | 2000-03-07 |
| 6007620 | Process to make interground, white, blended cement | Patrick M. Hill, Frank T. Sheets, III, Richard F. Ball, Joseph R. Sisneros | 1999-12-28 |