Patent Assignment
Reel/Frame 055879/0029
Assignment of Assignor's Interest
Recorded: 2021-04-09
Pages: 15
Assignors
LAWLER, JOHN
Executed: 2020-06-13
POWERS, JOHN
Executed: 2020-08-04
COAKLEY, SCOTT
Executed: 2020-06-06
CRAPO, ALAN
Executed: 2020-07-02
DEGRAAFF, DAVID
Executed: 2020-06-06
GADDA, CHRISTOPHER DAVID
Executed: 2020-10-06
HANCOCK, ANDREW
Executed: 2020-08-03
MILLER, SHANNON
Executed: 2020-10-20
SHERMAN, SAMUEL
Executed: 2020-08-07
SVRCEK, MATTHEW
Executed: 2020-08-25
WALTERS, KEVIN
Executed: 2020-07-02
Assignee
ETAGEN, INC.
3601 HAVEN AVENUE, MENLO PARK, CALIFORNIA, 94025
Covered Property
(1)
Linear Electromagnetic Machine System
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Apr 9, 2021
From: ETAGEN, INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 055888/0843 →
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 →