IP Library › Assignment 055888/0843
Patent Assignment
Reel/Frame 055888/0843

Change of Name

Recorded: 2021-04-09 Pages: 4
Assignor
ETAGEN, INC.
Executed: 2020-01-07
Assignee
MAINSPRING ENERGY, INC.
3601 HAVEN AVENUE, MENLO PARK, CALIFORNIA, 94025
Covered Property (1)
Linear Electromagnetic Machine System
Application: 17/226,582 →
Publication: US 2021/0288570
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 9, 2021
From: LAWLER, JOHN; POWERS, JOHN; COAKLEY, SCOTT; CRAPO, ALAN
To: ETAGEN, INC.
Reel/Frame 055879/0029 →
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 →