IP Library › Assignment 073653/0976
Patent Assignment
Reel/Frame 073653/0976

Assignment of Assignor's Interest

Recorded: 2026-02-02 Pages: 6
Assignor
Assignee
EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
22777 SPRINGWOODS VILLAGE PARKWAY, SPRING, TEXAS, 77389
Covered Property (1)
Proppant Particulates Formed from Delayed Coke
Application: 18/558,780 →
Publication: US 2024/0228866
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 2, 2026
From: SHIRLEY, ROBERT M.; SPIECKER, P. MATTHEW; GORDON, PETER A.
To: EXXONMOBIL UPSTREAM RESEARCH COMPANY
Reel/Frame 073653/0906 →