IP Library › Assignment 053123/0161
Patent Assignment
Reel/Frame 053123/0161

Change of Name

Recorded: 2020-07-02 Pages: 4
Assignor
ETAGEN, INC.
Executed: 2020-01-07
Assignee
MAINSPRING ENERGY, INC.
3601 HAVEN AVENUE, MENLO PARK, CALIFORNIA, 94025
Covered Property (1)
Energy Storage and Conversion in Linear Generators
Application: 16/920,172 →
Publication: US 2020/0400064
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 2, 2020
From: GADDA, CHRISTOPHER; ROELLE, MATTHEW; SIMPSON, ADAM
To: ETAGEN, INC.
Reel/Frame 053113/0309 →
Security Interest Jun 6, 2025
From: MAINSPRING ENERGY, INC.
To: AVENUE VENTURE OPPORTUNITIES FUND II, L.P., AS AGENT
Reel/Frame 071499/0428 →
Security Agreement Jun 18, 2025
From: TRINITY CAPITAL INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 071675/0697 →