Patent Assignment
Reel/Frame 050777/0544
Security Interest
Recorded: 2019-10-21
Pages: 4
Assignor
BIOCHEM SYSTEMS, INC.
Executed: 2019-09-15
Assignee
BANCFIRST
7625 EAST 51ST STREET, TULSA, OKLAHOMA, 74145
Covered Property
(1)
Method and Apparatus for Cleaning Railroad Tank Cars
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.