Patent Assignment
Reel/Frame 019332/0665
Assignment of Assignor's Interest
Recorded: 2007-05-22
Pages: 5
Assignor
WORLDTALK CORPORATION
Executed: 2000-05-26
Assignee
TUMBLEWEED COMMUNICATIONS CORPORATION
700 SAGINAW DRIVE, REDWOOD CITY, CALIFORNIA, 94063
Covered Property
(1)
E-Mail Firewall with Stored Key Encryption/Decryption
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.