Patent Assignment
Reel/Frame 027480/0272
Assignment of Assignor's Interest
Recorded: 2012-01-04
Pages: 3
Assignors
SIMPSON, ADAM
Executed: 2011-12-16
MILLER, SHANNON
Executed: 2011-12-16
SVRCEK, MATT
Executed: 2011-12-16
Assignee
ETAGEN, INC.
186 CONSTITUTION DRIVE, MENLO PARK, CALIFORNIA, 94025
Covered Property
(1)
High-Efficiency Linear Combustion Engine
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment
Nov 8, 2018
From: SIMPSON, ADAM; MILLER, SHANNON; SVRCEK, MATT
To: ETAGEN, INC.
Reel/Frame 047454/0408 →
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 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 071675/0669 →
Security Agreement
Jun 18, 2025
From: TRINITY CAPITAL INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 071675/0697 →