Patent Assignment
Reel/Frame 054161/0156
Change of Name
Recorded: 2020-10-21
Pages: 4
Assignor
ETAGEN, INC.
Executed: 2020-01-07
Assignee
MAINSPRING ENERGY, INC.
3601 HAVEN AVENUE, MENLO PARK, CALIFORNIA, 94025
Covered Property
(1)
Linear Electromagnetic Machine System with Bearing Housings Having Pressurized Gas
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.