IP Library › Assignment 057143/0458
Patent Assignment
Reel/Frame 057143/0458

Assignment of Assignor's Interest

Recorded: 2021-08-11 Pages: 3
Assignor
FIELD, SAMUEL BRUCE
Executed: 2021-08-05
Assignee
AFTON CHEMICAL CORPORATION
500 SPRING STREET, RICHMOND, VIRGINIA, 23219
Covered Property (1)
Methods of Reducing Lead Corrosion in an Internal Combustion Engine
Application: 17/381,610 →
Publication: US 2023/0043947
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 15, 2022
From: FIELD, SAMUEL BRUCE
To: AFTON CHEMICAL CORPORATION
Reel/Frame 060521/0302 →