Covered Property (1)

Related Assignments (11)

Other recorded transfers of the patent in this record — the chain of ownership.

Assignment of Assignor's Interest Apr 18, 1995

From: MORRISON KNUDSEN CORPORATION, A CORP. OF OH

To: MELLON BANK, N.A., AS COLLATERAL AGENT

Reel/Frame 007436/0105 →

Assignment for Security Sep 29, 1995

From: MORRISON KNUDSEN CORPORATION

To: MELLON BANK, N.A., AS COLLATERAL AGENT

Reel/Frame 007656/0019 →

First Amendment to Assignment for Security Oct 20, 1995

From: MORRISON KNUDSEN CORPORATION

To: MELLON BANK, N.A., AS COLLATERAL AGENT

Reel/Frame 007795/0466 →

First Amendment to Assignment for Security Oct 24, 1995

From: MORRISON KNUDSEN CORPORATION, AN OH CORP.

To: MELLON BANK, N.A., AS COLLATERAL AGENT

Reel/Frame 007881/0414 →

Assignment for Security Jul 25, 1996

From: MORRISON KNUDSEN CORPORATION, AN OH CORPORATION

To: MELLON BANK, N.A., AS COLLATERAL GENT

Reel/Frame 008067/0222 →

Release of Assignment for Security of Patents Oct 15, 1996

From: MELLON BANK, N.A.

To: MORRISON KUNDSEN CORPORATION

Reel/Frame 008186/0378 →

Release of Assignment for Security of Patents Oct 15, 1996

From: MELLON BANK, N.A.

To: MORRISON KNUDSEN CORPORATION

Reel/Frame 008167/0851 →

Release of Assignment for Security of Patents Oct 15, 1996

From: MELLON BANK N.A.

To: MORRISON KNUDSEN CORPORATION

Reel/Frame 008178/0085 →

Security Interest Aug 4, 2000

From: MORRISON KNUDSEN CORPORATION

To: CREDIT SUISSE FIRST BOSTON, AS COLLATER AGENT

Reel/Frame 011027/0283 →

Security Agreement Jan 29, 2002

From: WASHINGTON GROUP INTERNATIONAL, INC.

To: CREDIT SUISSE FIRST BOSTON

Reel/Frame 012581/0265 →

Release of Security Interest Nov 16, 2007

From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT

To: WASHINGTON GROUP INTERNATIONAL, INC.

Reel/Frame 020125/0535 →