| Filed On | Filing |
|---|---|
| 14 Feb 2001 | COOPER INDUSTRIES, INC. |
| 14 Feb 2001 | NORTHROP GRUMMAN CORP. |
| 10 Feb 2000 | PHELPS DODGE CORP. |
| 10 Feb 2000 | EQUITABLE RESOURCES, INC. |
| 10 Feb 2000 | EQUITABLE RESOURCES, INC. |
| 10 Feb 1999 | AMENDMENT #1 PHELPS DODGE CORPORATION |
| 10 Feb 1999 | AMENDMENT #1 EQUITABLE RESOURCES, INC. |
| 03 Mar 1998 | AMENDMENT #2 LUBRIZOL CORPORATION |
| 09 Feb 1998 | AMENDMENT #1 LUBRIZOL CORPORATION |
| 04 Feb 1997 | SCHEDULE 13G AMENDMENT NO. 2 NORTHROP GRUMMAN CORP |
| 04 Feb 1997 | SCHEDULE 13G AMENDMENT NO. 1 J & L SPECIALTY STEEL |
| 02 Feb 1996 | AMENDMENT #1 NORTHROP GRUMMAN CORP. |
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