Patent Assignment
Reel/Frame 052301/0066
Assignment of Assignor's Interest
Recorded: 2020-04-02
Pages: 3
Assignee
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET, SAN FRANCISCO, CALIFORNIA, 94105
Covered Property
(1)
Systems and Methods for Call Initiation Based on Mobile Device Proximity
Application:
62/702,986 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Patent Security Agreement
May 30, 2019
From: SLACK TECHNOLOGIES, INC.
To: MORGAN STANLEY SENIOR FUNDING, INC., AS COLLATERAL AGENT
Reel/Frame 049332/0349 →
Release of Security Interest in Patent Collateral at Reel/Frame No. 49332/0349
Jul 19, 2021
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: SLACK TECHNOLOGIES, INC.
Reel/Frame 057649/0882 →