IP Library › Assignment 070722/0370
Patent Assignment
Reel/Frame 070722/0370

Change of Name

Recorded: 2025-04-03 Pages: 4
Assignor
ETAGEN, INC.
Executed: 2020-01-07
Assignee
MAINSPRING ENERGY, INC.
3601 HAVEN AVENUE, MENLO PARK, CALIFORNIA, 94025
Covered Property (1)
Piston Sealing Ring Assembly Having a Gap Cover Element
Application: 18/796,918 →
Publication: US 2025/0067340
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 3, 2025
From: PRUDHOMME, JODIE; SVRCEK, MATT
To: ETAGEN, INC.
Reel/Frame 070722/0310 →
Security Interest Jun 6, 2025
From: MAINSPRING ENERGY, INC.
To: AVENUE VENTURE OPPORTUNITIES FUND II, L.P., AS AGENT
Reel/Frame 071499/0428 →