Patent Assignment
Reel/Frame 012897/0070
Assignment of Assignor's Interest
Recorded: 2002-05-13
Pages: 3
Assignor
ELLENBERGER, PETER
Executed: 2002-02-20
Assignee
MBT HOLDING AG
VULKANSTRASSE 110, CH-8048 ZURICH, SWITZERLAND
Covered Property
(1)
Tunnel Boring with Foamed Composition
Patent:
6,802,673 →
Application:
10/049,367 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.