IP Library › Assignment 012251/0340
Patent Assignment
Reel/Frame 012251/0340

Assignment of Assignor's Interest

Recorded: 2001-10-09 Pages: 3
Assignors
NUTTER, DALE E.
Executed: 2001-10-03
PILLING, MARK W.
Executed: 2001-10-03
CAMPBELL, CHRISTINA J.
Executed: 2001-10-03
Assignee
SULZER CHEMTECH USA, INC.
639 WEST 41ST STREET, TULSA, OKLAHOMA, 74107
Covered Property (1)
Stepped Downcomer Apparatus and Vapor-Liquid Contact Apparatus with Same
Patent: 6,575,438 →
Application: 09/878,909 →
Publication: US 2002/0190403
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 10, 2003
From: SULZER CHEMTECH USA, INC.
To: SULZER CHEMTECH AG
Reel/Frame 014675/0976 →
Assignment of Assignor's Interest Aug 12, 2020
From: SULZER CHEMTECH AG.
To: SULZER MANAGEMENT AG.
Reel/Frame 053465/0614 →