IP Library › Assignment 062746/0667
Patent Assignment
Reel/Frame 062746/0667

Change of Name

Recorded: 2023-02-13 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: 18/109,040 →
Publication: US 2023/0193817
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 13, 2023
From: GADDA, CHRISTOPHER; ROELLE, MATTHEW; SIMPSON, ADAM
To: ETAGEN, INC.
Reel/Frame 062678/0507 →
Security Interest Jun 6, 2025
From: MAINSPRING ENERGY, INC.
To: AVENUE VENTURE OPPORTUNITIES FUND II, L.P., AS AGENT
Reel/Frame 071499/0428 →