IP Library Assignment 073014/0473
Patent Assignment
Reel/Frame 073014/0473

Assignment of Assignor's Interest

Recorded: 2025-11-24 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
Application: 19/336,818 →
Publication: US 2026/0066758
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 24, 2025
From: ETAGEN, INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 073770/0445 →