IP Library Assignment 064523/0414
Patent Assignment
Reel/Frame 064523/0414

Assignment of Assignor's Interest

Recorded: 2023-08-08 Pages: 2
Assignors
ROELLE, MATTHEW
Executed: 2016-04-11
GADDA, CHRISTOPHER
Executed: 2016-04-06
Assignee
ETAGEN, INC.
3601 HAVEN AVENUE, MENLO PARK, CALIFORNIA, 94025
Covered Property (1)
Control of Piston Trajectory in a Linear Generator
Application: 18/218,401 →
Publication: US 2024/0125281
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Aug 8, 2023
From: ETAGEN, INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 064523/0524 →
Security Interest Jun 6, 2025
From: MAINSPRING ENERGY, INC.
To: AVENUE VENTURE OPPORTUNITIES FUND II, L.P., AS AGENT
Reel/Frame 071499/0428 →