Patent Assignment
Reel/Frame 018784/0514
Assignment of Assignor's Interest
Recorded: 2007-01-22
Pages: 5
Assignors
FRANK, WILHELM G.
Executed: 2007-01-22
WENZEL, MATTHIAS S.
Executed: 2007-01-22
CZERNEY, PETER T.
Executed: 2007-01-22
DESAI, SURBHI
Executed: 2007-01-22
HERMANSON, GREG
Executed: 2007-01-22
Assignee
PIERCE BIOTECHNOLOGY, INC.
3747 N. MERIDIAN ROAD, P.O. BOX 117, ROCKFORD, ILLINOIS, 61105
Covered Property
(1)
Sulfonamide Derivatives of Xanthene Compounds
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Title: Sulfonamide Derivates of Xanthene Compounds to Sulfonamide Derivatives of Xanthene Compounds Previously Recorded on Reel 018784 Frame 0514. Assignor(S) Hereby Confirms the Title Needs to Be Corrected to Show Correct Title as: Sulfonamide Derivatives of Xanthene Compounds.
Mar 22, 2007
From: FRANK, WILHELM G.; WENZEL, MATTHIAS S; CZERNEY, PETER T.; DESAI, SURBHI
To: PIERCE BIOTECHNOLOGY, INC.
Reel/Frame 019057/0469 →
Merger
Mar 11, 2026
From: PIERCE BIOTECHNOLOGY, INC.
To: LIFE TECHNOLOGIES CORPORATION
Reel/Frame 075052/0213 →