Patent Assignment
Reel/Frame 013082/0798
Assignment of Assignor's Interest
Recorded: 2002-07-02
Pages: 3
Assignors
XU, PINGYONG
Executed: 2002-06-20
RUATTA, STEPHEN A.
Executed: 2002-06-27
SCHMIDT, KRIS ALAN
Executed: 2002-06-21
DOAN, VU A.
Executed: 2002-06-20
Assignee
3D SYSTEMS, INC.
INTELLECTUAL PROPERTY DEPT., 26081 AVENUE HALL, VALENCIA, CALIFORNIA, 91355
Covered Property
(1)
Phase Change Support Material Composition
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.