Patent Assignment
Reel/Frame 043977/0586
Change of Name
Recorded: 2017-09-22
Pages: 17
Assignor
ENERGY STORAGE SYSTEMS, INC.
Executed: 2014-12-23
Assignee
ESS TECH, INC.
17898 SW UPPER BOONES FERRY ROAD, PORTLAND, OREGON, 97224
Covered Property
(1)
Methods to Prepare Stable Electrolytes for Iron Redox Flow Batteries
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 21, 2017
From: EVANS, CRAIG E.; SONG, YANG
To: ENERGY STORAGE SYSTEMS, INC.
Reel/Frame 043658/0513 →
Security Interest
Jul 11, 2018
From: ESS TECH, INC.
To: SILICON VALLEY BANK
Reel/Frame 047816/0520 →
Change of Address of Assignee
Jun 11, 2019
From: ESS TECH, INC.
To: ESS TECH, INC.
Reel/Frame 049439/0912 →
Release of Security Interest
Sep 17, 2019
From: SILICON VALLEY BANK
To: ESS TECH, INC.
Reel/Frame 050407/0752 →