IP Library Assignment 041627/0556
Patent Assignment
Reel/Frame 041627/0556

Assignment of Assignor's Interest

Recorded: 2017-03-18 Pages: 3
Assignor
GRINSTEAD, JOSEPH EDWARD
Executed: 2016-05-10
Assignee
WHATSAPP INC.
650 CASTRO STREET, SUITE 120-219, MOUNTAIN VIEW, CALIFORNIA, 94041
Covered Property (1)
Techniques to Detect and React to Proxy Interference
Patent: 9,900,372 →
Application: 15/004,540 →
Publication: US 2017/0214732
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jun 22, 2021
From: WHATSAPP INC.
To: WHATSAPP LLC
Reel/Frame 056646/0001 →