IP Library › Assignment 052679/0018
Patent Assignment
Reel/Frame 052679/0018

Change of Name

Recorded: 2020-05-15 Pages: 4
Assignor
ETAGEN, INC.
Executed: 2020-01-07
Assignee
MAINSPRING ENERGY, INC.
186 CONSTITUTION DRIVE, MENLO PARK, CALIFORNIA, 94025
Covered Property (1)
Open-Faced Piston Assembly
Application: 16/874,322 →
Publication: US 2020/0271071
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 15, 2020
From: SVRCEK, MATT
To: ETAGEN, INC.
Reel/Frame 053566/0513 →
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 →