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Method and system for keeping water from entering dispenser containment sumps |
Michael S. Butkovich, Albert J. Kovach, Charles M. Daul |
2001-07-10 |
| 6113820 |
Method to repair polyethylene containment sumps |
Albert J. Kovach, Paul A. Sivak, Charles M. Daul |
2000-09-05 |
| 6074131 |
Method for installing form in-place dispenser containment |
Charles M. Daul, Paul A. Sivak, Albert J. Kovach |
2000-06-13 |
| 6050050 |
Form in-place submersible pump containment |
Charles M. Daul, Paul A. Sivak, Albert J. Kovach |
2000-04-18 |
| 5983916 |
Upgrade of below grade fill to at grade fill |
Charles M. Daul, Paul A. Sivak, Albert J. Kovach |
1999-11-16 |
| 5186904 |
Laboratory simulator of reactor for a petroleum refinery |
Robert D. Buttke, James L. Taylor, William M. Hall |
1993-02-16 |
| 5100855 |
Mixed catalyst system for hyproconversion system |
Frederick T. Clark, Albert L. Hensley, Jr. |
1992-03-31 |
| 5009771 |
Hydroconversion process using mixed catalyst system |
Frederick T. Clark, Albert L. Hensley, Jr., Lawrence B. Peck |
1991-04-23 |