IP Library › Assignment 026412/0019
Patent Assignment
Reel/Frame 026412/0019

Assignment of Assignor's Interest

Recorded: 2011-06-08 Pages: 3
Assignors
SIMPSON, ADAM
Executed: 2011-05-25
MILLER, SHANNON
Executed: 2011-05-25
SVRCEK, MATT
Executed: 2011-05-25
Assignee
ETAGEN, INC.
186 CONSTITUTION DR., MENLO PARK, CALIFORNIA, 94025
Covered Property (1)
High-Efficiency Linear Combustion Engne
Patent: 8,453,612 →
Application: 13/102,916 →
Publication: US 2012/0125288
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Jul 9, 2019
From: ETAGEN, INC.
To: TRINITY CAPITAL FUND III, L.P.
Reel/Frame 049704/0976 →
Change of Name Jan 30, 2020
From: ETAGEN, INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 051761/0180 →
Security Agreement Jun 18, 2025
From: TRINITY CAPITAL INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 071675/0669 →
Security Agreement Jun 18, 2025
From: TRINITY CAPITAL INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 071675/0697 →