IP Library Assignment 059712/0021
Patent Assignment
Reel/Frame 059712/0021

Assignment of Assignor's Interest

Recorded: 2022-04-29 Pages: 5
Assignors
SVRCEK, MATT
Executed: 2018-08-08
PRUDHOMME, JODIE
Executed: 2018-08-08
Assignee
ETAGEN, INC.
3601 HAVEN AVENUE, MENLO PARK, CALIFORNIA, 94025
Covered Property (1)
Piston Sealing Ring Assemblies
Application: 17/733,228 →
Publication: US 2022/0356948
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Apr 29, 2022
From: ETAGEN, INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 059835/0903 →
Security Interest Jun 6, 2025
From: MAINSPRING ENERGY, INC.
To: AVENUE VENTURE OPPORTUNITIES FUND II, L.P., AS AGENT
Reel/Frame 071499/0428 →