Patent Assignment
Reel/Frame 054451/0035
Corrective Assignment to Correct the Assignee Previously Recorded on Reel 034816 Frame 0235. Assignor(S) Hereby Confirms the Assignee Change.
Recorded: 2020-11-17
Pages: 9
Assignors
ZAZULA, RENNIE K.
Executed: 2020-11-04
BIRD, DEAN M.
Executed: 2020-11-04
CROSSWHITE, DONALD T.
Executed: 2020-11-05
Assignee
VARCO CANADA ULC
6621 45TH STREET, LEDUC, ALBERTA,, T9E 7E3, CANADA
Covered Property
(1)
System, Apparatus, and Method for Recovering Barite from Drilling Fluid
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.