IP Library Assignment 019672/0255
Patent Assignment
Reel/Frame 019672/0255

Corrective Assignment to Correct the to Correct the Second Inventor's Name. Previously Recorded on Reel 019611 Frame 0451. Assignor(S) Hereby Confirms the Volker Schillen.

Recorded: 2007-08-09 Pages: 6
Assignors
JOHN, HENDRIK
Executed: 2007-07-16
SCHILLEN, VOLKER
Executed: 2007-07-06
EL-SIBLANI, ALI
Executed: 2007-07-09
Assignee
ENVISIONTEC GMBH
BRUSSELER STRASSE 51, GLADBECK, GERMANY
Covered Property (1)
Device and Method for Producing a Three-Dimensional Object by Means of Mask Exposure
Patent: 7,894,921 →
Application: 11/796,745 →
Publication: US 2007/0260349
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 26, 2007
From: JOHN, HENDRIK; VOLKER SCHILLEN, JOHN; EL-SIBLANI, ALI
To: ENVISIONTEC GMBH
Reel/Frame 019611/0451 →
Assignment of Assignor's Interest Nov 17, 2025
From: ENVISIONTEC GMBH
To: SPRINTRAY, INC.
Reel/Frame 072924/0874 →