IP Library › Assignment 027539/0237
Patent Assignment
Reel/Frame 027539/0237

Nunc Pro Tunc Assignment

Recorded: 2012-01-17 Pages: 9
Assignor
Assignee
CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
DR.-ALBERT-FRANK-STRASSE 32, TROSTBERG, D-83308, GERMANY
Covered Property (1)
Rheology Stabilizer for Cementitious Compositions
Patent: 7,883,577 →
Application: 12/755,842 →
Publication: US 2010/0197833
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 17, 2012
From: SPROUTS, SANDRA R.; GOODWIN, FREDERICK R.; DAL BO, ALESSANDRO
To: MBT HOLDING AG
Reel/Frame 027539/0179 →
Assignment of Assignor's Interest Aug 18, 2023
From: CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
To: SIKA TECHNOLOGY AG
Reel/Frame 064640/0880 →