Patent Assignment
Reel/Frame 026518/0646
Assignment of Assignor's Interest
Recorded: 2011-06-29
Pages: 4
Assignors
BLISSENBACH, DIETER
Executed: 2011-06-29
KIRCHHOFF, STEFAN
Executed: 2011-06-29
KLEINLOH, JUERGEN
Executed: 2011-06-29
WEGENER, LUKAS
Executed: 2011-06-29
Assignee
SPECIALTY MINERALS (MICHIGAN) INC.
30600 TELEGRAPH ROAD, BINGHAM FARMS, MICHIGAN, 48025
Covered Property
(1)
Graphical User Interface for a Display Screen or a Portion Thereof for Evaluating Refractory Data
Patent:
685,391 →
Application:
29/396,171 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Apr 21, 2023
From: AMCOL INTERNATIONAL CORPORATION; SPECIALTY MINERALS (MICHIGAN) INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 063400/0705 →
Bankruptcy Order Releasing All Liens Including the Intellectual Property Security Agreement Recorded at Reel/Frame 063400/0705
Jul 31, 2025
From: JPMORGAN CHASE BANK, N.A.
To: AMCOL INTERNATIONAL CORPORATION; SPECIALTY MINERALS (MICHIGAN) INC.
Reel/Frame 072308/0419 →