IP Library Assignment 048907/0769
Patent Assignment
Reel/Frame 048907/0769

Confirmatory License

Recorded: 2019-04-17 Pages: 2
Assignor
MAINSTREAM ENGINEERING CORPORATION
Executed: 2018-09-14
Assignee
UNITED STATES DEPARTMENT OF ENERGY
1000 INDEPENDENCE AVE. S.W., WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property (1)
Spouted Bed with Venturi Draft Tube and Method for Improved Gas-Solid Contacting
Application: 15/906,299 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 28, 2018
From: YELVINGTON, PAUL E.; SCHWARTZ, NICHOLAS R.; BLAISE, MICHAEL J.
To: MAINSTREAM ENGINEERING CORPORATION
Reel/Frame 045062/0654 →