IP Library Assignment 046742/0482
Patent Assignment
Reel/Frame 046742/0482

Assignment of Assignor's Interest

Recorded: 2018-08-29 Pages: 3
Assignor
RIESEBERG, FELIX
Executed: 2018-08-07
Assignee
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET, SAN FRANCISCO, CALIFORNIA, 94105
Covered Property (1)
Messaging Interface Configured to a Render Graphical Sentiment and Progression Indicator
Application: 15/962,388 →
Publication: US 2019/0334845
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 →