IP Library Assignment 012207/0145
Patent Assignment
Reel/Frame 012207/0145

Assignment of Assignor's Interest

Recorded: 2001-09-28 Pages: 3
Assignor
HOFMANN, THOMAS
Executed: 2001-02-06
Assignee
MBT HOLDING AG
VULKANSTRASSE 110, CH-8048 ZURICH, SWITZERLAND
Covered Property (1)
Concrete Admixture
Patent: 6,723,163 →
Application: 09/763,482 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 19, 2003
From: DEGUSSA CONSTRUCTION CHEMICALS (EUROPE) AG FORMERLY KNOWN AS MBT HOLDING AG
To: CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
Reel/Frame 014788/0877 →