IP Library Assignment 053268/0641
Patent Assignment
Reel/Frame 053268/0641

Assignment of Assignor's Interest

Recorded: 2020-07-21 Pages: 5
Assignors
ROBINSON, LANCE I.
Executed: 2020-07-21
PIATT, ERIK R.
Executed: 2019-08-15
Assignee
EN RX CHEMICAL, INC.
P. O. BOX 270586, FLOWER MOUND, TEXAS, 75027
Covered Property (1)
Well System with Attached Sealant Line
Application: 16/447,561 →
Publication: US 2019/0330957
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jan 29, 2024
From: EN RX CHEMICAL, INC
To: PERL HOLDINGS CORPORATION
Reel/Frame 066377/0438 →